Home / 801,439-1,105,985.82-443,766.04

Finding the Fourth Proportional to 801,439, 1,105,985.82 and 443,766.04

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Solution

The fourth proportional to 801,439, 1,105,985.82 and 443,766.04 is: 612,397.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,439 : 1,105,985.82 = 443,766.04 : x
  2. Step 2: Convert to fraction form
    801,439/1,105,985.82 = 443,766.04/x
  3. Step 3: Cross multiply
    801,439x = 1,105,985.82 × 443,766.04
  4. Step 4: Simplify right side
    801,439x = 490,798,947,637.55
  5. Step 5: Solve for x
    x = 490,798,947,637.55/801,439
  6. Step 6: Final answer
    x = 612,397.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.