Home / 819,781.85-1,229,672.78-594,083.45

Finding the Fourth Proportional to 819,781.85, 1,229,672.78 and 594,083.45

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Solution

The fourth proportional to 819,781.85, 1,229,672.78 and 594,083.45 is: 891,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,781.85 : 1,229,672.78 = 594,083.45 : x
  2. Step 2: Convert to fraction form
    819,781.85/1,229,672.78 = 594,083.45/x
  3. Step 3: Cross multiply
    819,781.85x = 1,229,672.78 × 594,083.45
  4. Step 4: Simplify right side
    819,781.85x = 730,528,244,543.07
  5. Step 5: Solve for x
    x = 730,528,244,543.07/819,781.85
  6. Step 6: Final answer
    x = 891,125.18

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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.