Home / 932,955.98-1,287,876.49-627,209.69

Finding the Fourth Proportional to 932,955.98, 1,287,876.49 and 627,209.69

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Solution

The fourth proportional to 932,955.98, 1,287,876.49 and 627,209.69 is: 865,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,955.98 : 1,287,876.49 = 627,209.69 : x
  2. Step 2: Convert to fraction form
    932,955.98/1,287,876.49 = 627,209.69/x
  3. Step 3: Cross multiply
    932,955.98x = 1,287,876.49 × 627,209.69
  4. Step 4: Simplify right side
    932,955.98x = 807,768,607,611.81
  5. Step 5: Solve for x
    x = 807,768,607,611.81/932,955.98
  6. Step 6: Final answer
    x = 865,816.43

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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.