Home / 932,959.16-1,287,880.89-627,212.87

Finding the Fourth Proportional to 932,959.16, 1,287,880.89 and 627,212.87

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Solution

The fourth proportional to 932,959.16, 1,287,880.89 and 627,212.87 is: 865,820.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,959.16 : 1,287,880.89 = 627,212.87 : x
  2. Step 2: Convert to fraction form
    932,959.16/1,287,880.89 = 627,212.87/x
  3. Step 3: Cross multiply
    932,959.16x = 1,287,880.89 × 627,212.87
  4. Step 4: Simplify right side
    932,959.16x = 807,775,469,235.05
  5. Step 5: Solve for x
    x = 807,775,469,235.05/932,959.16
  6. Step 6: Final answer
    x = 865,820.82

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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.