Home / 714,147.10-985,540.02-408,251.94

Finding the Fourth Proportional to 714,147.10, 985,540.02 and 408,251.94

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Solution

The fourth proportional to 714,147.10, 985,540.02 and 408,251.94 is: 563,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,147.10 : 985,540.02 = 408,251.94 : x
  2. Step 2: Convert to fraction form
    714,147.10/985,540.02 = 408,251.94/x
  3. Step 3: Cross multiply
    714,147.10x = 985,540.02 × 408,251.94
  4. Step 4: Simplify right side
    714,147.10x = 402,348,627,488.29
  5. Step 5: Solve for x
    x = 402,348,627,488.29/714,147.10
  6. Step 6: Final answer
    x = 563,397.41

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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.