Home / 1,095,595.40-1,643,681.10-347,640.20

Finding the Fourth Proportional to 1,095,595.40, 1,643,681.10 and 347,640.20

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Solution

The fourth proportional to 1,095,595.40, 1,643,681.10 and 347,640.20 is: 521,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,595.40 : 1,643,681.10 = 347,640.20 : x
  2. Step 2: Convert to fraction form
    1,095,595.40/1,643,681.10 = 347,640.20/x
  3. Step 3: Cross multiply
    1,095,595.40x = 1,643,681.10 × 347,640.20
  4. Step 4: Simplify right side
    1,095,595.40x = 571,409,626,340.22
  5. Step 5: Solve for x
    x = 571,409,626,340.22/1,095,595.40
  6. Step 6: Final answer
    x = 521,551.68

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Half scale
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Double scale
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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.