Home / 708,467.11-977,694.86-386,177.27

Finding the Fourth Proportional to 708,467.11, 977,694.86 and 386,177.27

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Solution

The fourth proportional to 708,467.11, 977,694.86 and 386,177.27 is: 532,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,467.11 : 977,694.86 = 386,177.27 : x
  2. Step 2: Convert to fraction form
    708,467.11/977,694.86 = 386,177.27/x
  3. Step 3: Cross multiply
    708,467.11x = 977,694.86 × 386,177.27
  4. Step 4: Simplify right side
    708,467.11x = 377,563,531,332.09
  5. Step 5: Solve for x
    x = 377,563,531,332.09/708,467.11
  6. Step 6: Final answer
    x = 532,930.22

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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.