Home / 932,971.16-1,287,897.42-627,224.86

Finding the Fourth Proportional to 932,971.16, 1,287,897.42 and 627,224.86

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Solution

The fourth proportional to 932,971.16, 1,287,897.42 and 627,224.86 is: 865,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,971.16 : 1,287,897.42 = 627,224.86 : x
  2. Step 2: Convert to fraction form
    932,971.16/1,287,897.42 = 627,224.86/x
  3. Step 3: Cross multiply
    932,971.16x = 1,287,897.42 × 627,224.86
  4. Step 4: Simplify right side
    932,971.16x = 807,801,278,953.86
  5. Step 5: Solve for x
    x = 807,801,278,953.86/932,971.16
  6. Step 6: Final answer
    x = 865,837.35

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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.