Home / 708,391.16-977,573.57-386,101.27

Finding the Fourth Proportional to 708,391.16, 977,573.57 and 386,101.27

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Solution

The fourth proportional to 708,391.16, 977,573.57 and 386,101.27 is: 532,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,391.16 : 977,573.57 = 386,101.27 : x
  2. Step 2: Convert to fraction form
    708,391.16/977,573.57 = 386,101.27/x
  3. Step 3: Cross multiply
    708,391.16x = 977,573.57 × 386,101.27
  4. Step 4: Simplify right side
    708,391.16x = 377,442,396,895.43
  5. Step 5: Solve for x
    x = 377,442,396,895.43/708,391.16
  6. Step 6: Final answer
    x = 532,816.36

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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.