Home / 558,732.47-771,132.06-313,744.73

Finding the Fourth Proportional to 558,732.47, 771,132.06 and 313,744.73

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Solution

The fourth proportional to 558,732.47, 771,132.06 and 313,744.73 is: 433,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,732.47 : 771,132.06 = 313,744.73 : x
  2. Step 2: Convert to fraction form
    558,732.47/771,132.06 = 313,744.73/x
  3. Step 3: Cross multiply
    558,732.47x = 771,132.06 × 313,744.73
  4. Step 4: Simplify right side
    558,732.47x = 241,938,616,103.38
  5. Step 5: Solve for x
    x = 241,938,616,103.38/558,732.47
  6. Step 6: Final answer
    x = 433,013.35

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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.