Home / 932,959.39-1,287,881.21-627,213.10

Finding the Fourth Proportional to 932,959.39, 1,287,881.21 and 627,213.10

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Solution

The fourth proportional to 932,959.39, 1,287,881.21 and 627,213.10 is: 865,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,959.39 : 1,287,881.21 = 627,213.10 : x
  2. Step 2: Convert to fraction form
    932,959.39/1,287,881.21 = 627,213.10/x
  3. Step 3: Cross multiply
    932,959.39x = 1,287,881.21 × 627,213.10
  4. Step 4: Simplify right side
    932,959.39x = 807,775,963,019.79
  5. Step 5: Solve for x
    x = 807,775,963,019.79/932,959.39
  6. Step 6: Final answer
    x = 865,821.14

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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.