Home / 791,380.16-1,186,543.20-411,367.04

Finding the Fourth Proportional to 791,380.16, 1,186,543.20 and 411,367.04

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Solution

The fourth proportional to 791,380.16, 1,186,543.20 and 411,367.04 is: 616,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,380.16 : 1,186,543.20 = 411,367.04 : x
  2. Step 2: Convert to fraction form
    791,380.16/1,186,543.20 = 411,367.04/x
  3. Step 3: Cross multiply
    791,380.16x = 1,186,543.20 × 411,367.04
  4. Step 4: Simplify right side
    791,380.16x = 488,104,764,016.13
  5. Step 5: Solve for x
    x = 488,104,764,016.13/791,380.16
  6. Step 6: Final answer
    x = 616,776.60

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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.