Home / 480,885.05-721,128.08-177,296.46

Finding the Fourth Proportional to 480,885.05, 721,128.08 and 177,296.46

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Solution

The fourth proportional to 480,885.05, 721,128.08 and 177,296.46 is: 265,871.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,885.05 : 721,128.08 = 177,296.46 : x
  2. Step 2: Convert to fraction form
    480,885.05/721,128.08 = 177,296.46/x
  3. Step 3: Cross multiply
    480,885.05x = 721,128.08 × 177,296.46
  4. Step 4: Simplify right side
    480,885.05x = 127,853,454,904.11
  5. Step 5: Solve for x
    x = 127,853,454,904.11/480,885.05
  6. Step 6: Final answer
    x = 265,871.14

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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.