Home / 480,962.82-721,436.91-165,422.46

Finding the Fourth Proportional to 480,962.82, 721,436.91 and 165,422.46

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Solution

The fourth proportional to 480,962.82, 721,436.91 and 165,422.46 is: 248,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,962.82 : 721,436.91 = 165,422.46 : x
  2. Step 2: Convert to fraction form
    480,962.82/721,436.91 = 165,422.46/x
  3. Step 3: Cross multiply
    480,962.82x = 721,436.91 × 165,422.46
  4. Step 4: Simplify right side
    480,962.82x = 119,341,868,387.00
  5. Step 5: Solve for x
    x = 119,341,868,387.00/480,962.82
  6. Step 6: Final answer
    x = 248,131.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.