Home / 708,347.28-977,513.09-386,057.33

Finding the Fourth Proportional to 708,347.28, 977,513.09 and 386,057.33

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Solution

The fourth proportional to 708,347.28, 977,513.09 and 386,057.33 is: 532,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,347.28 : 977,513.09 = 386,057.33 : x
  2. Step 2: Convert to fraction form
    708,347.28/977,513.09 = 386,057.33/x
  3. Step 3: Cross multiply
    708,347.28x = 977,513.09 × 386,057.33
  4. Step 4: Simplify right side
    708,347.28x = 377,376,093,565.45
  5. Step 5: Solve for x
    x = 377,376,093,565.45/708,347.28
  6. Step 6: Final answer
    x = 532,755.76

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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.