Home / 657,943.20-986,914.80-587,959.20

Finding the Fourth Proportional to 657,943.20, 986,914.80 and 587,959.20

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Solution

The fourth proportional to 657,943.20, 986,914.80 and 587,959.20 is: 881,938.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,943.20 : 986,914.80 = 587,959.20 : x
  2. Step 2: Convert to fraction form
    657,943.20/986,914.80 = 587,959.20/x
  3. Step 3: Cross multiply
    657,943.20x = 986,914.80 × 587,959.20
  4. Step 4: Simplify right side
    657,943.20x = 580,265,636,276.16
  5. Step 5: Solve for x
    x = 580,265,636,276.16/657,943.20
  6. Step 6: Final answer
    x = 881,938.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.