Home / 820,373.88-1,132,042.11-514,352.43

Finding the Fourth Proportional to 820,373.88, 1,132,042.11 and 514,352.43

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Solution

The fourth proportional to 820,373.88, 1,132,042.11 and 514,352.43 is: 709,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,373.88 : 1,132,042.11 = 514,352.43 : x
  2. Step 2: Convert to fraction form
    820,373.88/1,132,042.11 = 514,352.43/x
  3. Step 3: Cross multiply
    820,373.88x = 1,132,042.11 × 514,352.43
  4. Step 4: Simplify right side
    820,373.88x = 582,268,610,140.83
  5. Step 5: Solve for x
    x = 582,268,610,140.83/820,373.88
  6. Step 6: Final answer
    x = 709,760.05

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1.5x scale

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.