Home / 484,112.40-725,650.20-217,827.60

Finding the Fourth Proportional to 484,112.40, 725,650.20 and 217,827.60

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Solution

The fourth proportional to 484,112.40, 725,650.20 and 217,827.60 is: 326,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,112.40 : 725,650.20 = 217,827.60 : x
  2. Step 2: Convert to fraction form
    484,112.40/725,650.20 = 217,827.60/x
  3. Step 3: Cross multiply
    484,112.40x = 725,650.20 × 217,827.60
  4. Step 4: Simplify right side
    484,112.40x = 158,066,641,505.52
  5. Step 5: Solve for x
    x = 158,066,641,505.52/484,112.40
  6. Step 6: Final answer
    x = 326,508.14

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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.