Home / 731,898.60-1,097,847.90-282,640.20

Finding the Fourth Proportional to 731,898.60, 1,097,847.90 and 282,640.20

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Solution

The fourth proportional to 731,898.60, 1,097,847.90 and 282,640.20 is: 423,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,898.60 : 1,097,847.90 = 282,640.20 : x
  2. Step 2: Convert to fraction form
    731,898.60/1,097,847.90 = 282,640.20/x
  3. Step 3: Cross multiply
    731,898.60x = 1,097,847.90 × 282,640.20
  4. Step 4: Simplify right side
    731,898.60x = 310,295,950,025.58
  5. Step 5: Solve for x
    x = 310,295,950,025.58/731,898.60
  6. Step 6: Final answer
    x = 423,960.30

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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.