Home / 791,532.29-1,187,424.53-286,042.10

Finding the Fourth Proportional to 791,532.29, 1,187,424.53 and 286,042.10

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Solution

The fourth proportional to 791,532.29, 1,187,424.53 and 286,042.10 is: 429,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,532.29 : 1,187,424.53 = 286,042.10 : x
  2. Step 2: Convert to fraction form
    791,532.29/1,187,424.53 = 286,042.10/x
  3. Step 3: Cross multiply
    791,532.29x = 1,187,424.53 × 286,042.10
  4. Step 4: Simplify right side
    791,532.29x = 339,653,398,785.38
  5. Step 5: Solve for x
    x = 339,653,398,785.38/791,532.29
  6. Step 6: Final answer
    x = 429,108.71

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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.