Home / 971,694.27-1,340,940.47-542,002.23

Finding the Fourth Proportional to 971,694.27, 1,340,940.47 and 542,002.23

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Solution

The fourth proportional to 971,694.27, 1,340,940.47 and 542,002.23 is: 747,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,694.27 : 1,340,940.47 = 542,002.23 : x
  2. Step 2: Convert to fraction form
    971,694.27/1,340,940.47 = 542,002.23/x
  3. Step 3: Cross multiply
    971,694.27x = 1,340,940.47 × 542,002.23
  4. Step 4: Simplify right side
    971,694.27x = 726,792,722,327.24
  5. Step 5: Solve for x
    x = 726,792,722,327.24/971,694.27
  6. Step 6: Final answer
    x = 747,964.40

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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.