Home / 932,972.16-1,287,898.80-627,225.86

Finding the Fourth Proportional to 932,972.16, 1,287,898.80 and 627,225.86

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Solution

The fourth proportional to 932,972.16, 1,287,898.80 and 627,225.86 is: 865,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,972.16 : 1,287,898.80 = 627,225.86 : x
  2. Step 2: Convert to fraction form
    932,972.16/1,287,898.80 = 627,225.86/x
  3. Step 3: Cross multiply
    932,972.16x = 1,287,898.80 × 627,225.86
  4. Step 4: Simplify right side
    932,972.16x = 807,803,432,422.97
  5. Step 5: Solve for x
    x = 807,803,432,422.97/932,972.16
  6. Step 6: Final answer
    x = 865,838.73

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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.