Home / 927,342.61-1,391,213.17-287,632.96

Finding the Fourth Proportional to 927,342.61, 1,391,213.17 and 287,632.96

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Solution

The fourth proportional to 927,342.61, 1,391,213.17 and 287,632.96 is: 431,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,342.61 : 1,391,213.17 = 287,632.96 : x
  2. Step 2: Convert to fraction form
    927,342.61/1,391,213.17 = 287,632.96/x
  3. Step 3: Cross multiply
    927,342.61x = 1,391,213.17 × 287,632.96
  4. Step 4: Simplify right side
    927,342.61x = 400,158,758,959.59
  5. Step 5: Solve for x
    x = 400,158,758,959.59/927,342.61
  6. Step 6: Final answer
    x = 431,511.24

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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.