Home / 732,638.80-1,098,958.20-520,062.40

Finding the Fourth Proportional to 732,638.80, 1,098,958.20 and 520,062.40

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Solution

The fourth proportional to 732,638.80, 1,098,958.20 and 520,062.40 is: 780,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,638.80 : 1,098,958.20 = 520,062.40 : x
  2. Step 2: Convert to fraction form
    732,638.80/1,098,958.20 = 520,062.40/x
  3. Step 3: Cross multiply
    732,638.80x = 1,098,958.20 × 520,062.40
  4. Step 4: Simplify right side
    732,638.80x = 571,526,838,991.68
  5. Step 5: Solve for x
    x = 571,526,838,991.68/732,638.80
  6. Step 6: Final answer
    x = 780,093.60

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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.