Home / 952,561.56-1,428,842.28-287,713.56

Finding the Fourth Proportional to 952,561.56, 1,428,842.28 and 287,713.56

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Solution

The fourth proportional to 952,561.56, 1,428,842.28 and 287,713.56 is: 431,570.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,561.56 : 1,428,842.28 = 287,713.56 : x
  2. Step 2: Convert to fraction form
    952,561.56/1,428,842.28 = 287,713.56/x
  3. Step 3: Cross multiply
    952,561.56x = 1,428,842.28 × 287,713.56
  4. Step 4: Simplify right side
    952,561.56x = 411,097,299,057.32
  5. Step 5: Solve for x
    x = 411,097,299,057.32/952,561.56
  6. Step 6: Final answer
    x = 431,570.32

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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.