Home / 1,095,556.70-1,643,335.05-496,286.30

Finding the Fourth Proportional to 1,095,556.70, 1,643,335.05 and 496,286.30

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Solution

The fourth proportional to 1,095,556.70, 1,643,335.05 and 496,286.30 is: 744,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,556.70 : 1,643,335.05 = 496,286.30 : x
  2. Step 2: Convert to fraction form
    1,095,556.70/1,643,335.05 = 496,286.30/x
  3. Step 3: Cross multiply
    1,095,556.70x = 1,643,335.05 × 496,286.30
  4. Step 4: Simplify right side
    1,095,556.70x = 815,564,671,624.82
  5. Step 5: Solve for x
    x = 815,564,671,624.82/1,095,556.70
  6. Step 6: Final answer
    x = 744,429.45

Related Problems

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Half scale
Find fourth proportional to 2,191,113.40, 3,286,670.10 and 992,572.60
Double scale
Find fourth proportional to 1,095,557.70, 1,643,336.55 and 496,287.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.