Home / 516,337.26-712,612.24-289,982.76

Finding the Fourth Proportional to 516,337.26, 712,612.24 and 289,982.76

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Solution

The fourth proportional to 516,337.26, 712,612.24 and 289,982.76 is: 400,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,337.26 : 712,612.24 = 289,982.76 : x
  2. Step 2: Convert to fraction form
    516,337.26/712,612.24 = 289,982.76/x
  3. Step 3: Cross multiply
    516,337.26x = 712,612.24 × 289,982.76
  4. Step 4: Simplify right side
    516,337.26x = 206,645,264,164.98
  5. Step 5: Solve for x
    x = 206,645,264,164.98/516,337.26
  6. Step 6: Final answer
    x = 400,213.74

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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.