Home / 691,981.14-954,934.58-386,057.59

Finding the Fourth Proportional to 691,981.14, 954,934.58 and 386,057.59

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Solution

The fourth proportional to 691,981.14, 954,934.58 and 386,057.59 is: 532,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,981.14 : 954,934.58 = 386,057.59 : x
  2. Step 2: Convert to fraction form
    691,981.14/954,934.58 = 386,057.59/x
  3. Step 3: Cross multiply
    691,981.14x = 954,934.58 × 386,057.59
  4. Step 4: Simplify right side
    691,981.14x = 368,659,739,692.55
  5. Step 5: Solve for x
    x = 368,659,739,692.55/691,981.14
  6. Step 6: Final answer
    x = 532,759.81

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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.