Home / 952,543.56-1,428,815.28-287,695.56

Finding the Fourth Proportional to 952,543.56, 1,428,815.28 and 287,695.56

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Solution

The fourth proportional to 952,543.56, 1,428,815.28 and 287,695.56 is: 431,543.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,543.56 : 1,428,815.28 = 287,695.56 : x
  2. Step 2: Convert to fraction form
    952,543.56/1,428,815.28 = 287,695.56/x
  3. Step 3: Cross multiply
    952,543.56x = 1,428,815.28 × 287,695.56
  4. Step 4: Simplify right side
    952,543.56x = 411,063,812,116.16
  5. Step 5: Solve for x
    x = 411,063,812,116.16/952,543.56
  6. Step 6: Final answer
    x = 431,543.32

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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.