Home / 637,229.28-879,081.12-410,947.68

Finding the Fourth Proportional to 637,229.28, 879,081.12 and 410,947.68

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Solution

The fourth proportional to 637,229.28, 879,081.12 and 410,947.68 is: 566,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,229.28 : 879,081.12 = 410,947.68 : x
  2. Step 2: Convert to fraction form
    637,229.28/879,081.12 = 410,947.68/x
  3. Step 3: Cross multiply
    637,229.28x = 879,081.12 × 410,947.68
  4. Step 4: Simplify right side
    637,229.28x = 361,256,346,795.80
  5. Step 5: Solve for x
    x = 361,256,346,795.80/637,229.28
  6. Step 6: Final answer
    x = 566,917.37

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.