Home / 932,955.47-1,287,875.80-627,209.18

Finding the Fourth Proportional to 932,955.47, 1,287,875.80 and 627,209.18

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Solution

The fourth proportional to 932,955.47, 1,287,875.80 and 627,209.18 is: 865,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,955.47 : 1,287,875.80 = 627,209.18 : x
  2. Step 2: Convert to fraction form
    932,955.47/1,287,875.80 = 627,209.18/x
  3. Step 3: Cross multiply
    932,955.47x = 1,287,875.80 × 627,209.18
  4. Step 4: Simplify right side
    932,955.47x = 807,767,528,463.55
  5. Step 5: Solve for x
    x = 807,767,528,463.55/932,955.47
  6. Step 6: Final answer
    x = 865,815.74

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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.