Home / 708,469.11-977,697.62-386,179.27

Finding the Fourth Proportional to 708,469.11, 977,697.62 and 386,179.27

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Solution

The fourth proportional to 708,469.11, 977,697.62 and 386,179.27 is: 532,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,469.11 : 977,697.62 = 386,179.27 : x
  2. Step 2: Convert to fraction form
    708,469.11/977,697.62 = 386,179.27/x
  3. Step 3: Cross multiply
    708,469.11x = 977,697.62 × 386,179.27
  4. Step 4: Simplify right side
    708,469.11x = 377,566,553,172.34
  5. Step 5: Solve for x
    x = 377,566,553,172.34/708,469.11
  6. Step 6: Final answer
    x = 532,932.98

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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.