Home / 1,095,554.40-1,643,331.60-347,599.20

Finding the Fourth Proportional to 1,095,554.40, 1,643,331.60 and 347,599.20

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Solution

The fourth proportional to 1,095,554.40, 1,643,331.60 and 347,599.20 is: 521,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,554.40 : 1,643,331.60 = 347,599.20 : x
  2. Step 2: Convert to fraction form
    1,095,554.40/1,643,331.60 = 347,599.20/x
  3. Step 3: Cross multiply
    1,095,554.40x = 1,643,331.60 × 347,599.20
  4. Step 4: Simplify right side
    1,095,554.40x = 571,220,749,494.72
  5. Step 5: Solve for x
    x = 571,220,749,494.72/1,095,554.40
  6. Step 6: Final answer
    x = 521,398.80

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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.