Home / 1,520,538.52-2,098,257.78-832,208.97

Finding the Fourth Proportional to 1,520,538.52, 2,098,257.78 and 832,208.97

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Solution

The fourth proportional to 1,520,538.52, 2,098,257.78 and 832,208.97 is: 1,148,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,538.52 : 2,098,257.78 = 832,208.97 : x
  2. Step 2: Convert to fraction form
    1,520,538.52/2,098,257.78 = 832,208.97/x
  3. Step 3: Cross multiply
    1,520,538.52x = 2,098,257.78 × 832,208.97
  4. Step 4: Simplify right side
    1,520,538.52x = 1,746,188,945,888.29
  5. Step 5: Solve for x
    x = 1,746,188,945,888.29/1,520,538.52
  6. Step 6: Final answer
    x = 1,148,401.65

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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.