Home / 668,363.60-1,002,545.40-195,096.80

Finding the Fourth Proportional to 668,363.60, 1,002,545.40 and 195,096.80

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Solution

The fourth proportional to 668,363.60, 1,002,545.40 and 195,096.80 is: 292,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,363.60 : 1,002,545.40 = 195,096.80 : x
  2. Step 2: Convert to fraction form
    668,363.60/1,002,545.40 = 195,096.80/x
  3. Step 3: Cross multiply
    668,363.60x = 1,002,545.40 × 195,096.80
  4. Step 4: Simplify right side
    668,363.60x = 195,593,399,394.72
  5. Step 5: Solve for x
    x = 195,593,399,394.72/668,363.60
  6. Step 6: Final answer
    x = 292,645.20

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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.