Home / 542,220.30-747,598.87-439,956.18

Finding the Fourth Proportional to 542,220.30, 747,598.87 and 439,956.18

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Solution

The fourth proportional to 542,220.30, 747,598.87 and 439,956.18 is: 606,599.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,220.30 : 747,598.87 = 439,956.18 : x
  2. Step 2: Convert to fraction form
    542,220.30/747,598.87 = 439,956.18/x
  3. Step 3: Cross multiply
    542,220.30x = 747,598.87 × 439,956.18
  4. Step 4: Simplify right side
    542,220.30x = 328,910,743,017.52
  5. Step 5: Solve for x
    x = 328,910,743,017.52/542,220.30
  6. Step 6: Final answer
    x = 606,599.83

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1.5x scale

Why These Related Problems?

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