Home / 840,478.38-1,159,892.61-477,935.13

Finding the Fourth Proportional to 840,478.38, 1,159,892.61 and 477,935.13

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Solution

The fourth proportional to 840,478.38, 1,159,892.61 and 477,935.13 is: 659,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,478.38 : 1,159,892.61 = 477,935.13 : x
  2. Step 2: Convert to fraction form
    840,478.38/1,159,892.61 = 477,935.13/x
  3. Step 3: Cross multiply
    840,478.38x = 1,159,892.61 × 477,935.13
  4. Step 4: Simplify right side
    840,478.38x = 554,353,430,592.12
  5. Step 5: Solve for x
    x = 554,353,430,592.12/840,478.38
  6. Step 6: Final answer
    x = 659,568.94

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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.