Home / 620,194.16-928,934.92-439,732.56

Finding the Fourth Proportional to 620,194.16, 928,934.92 and 439,732.56

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Solution

The fourth proportional to 620,194.16, 928,934.92 and 439,732.56 is: 658,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,194.16 : 928,934.92 = 439,732.56 : x
  2. Step 2: Convert to fraction form
    620,194.16/928,934.92 = 439,732.56/x
  3. Step 3: Cross multiply
    620,194.16x = 928,934.92 × 439,732.56
  4. Step 4: Simplify right side
    620,194.16x = 408,482,930,445.00
  5. Step 5: Solve for x
    x = 408,482,930,445.00/620,194.16
  6. Step 6: Final answer
    x = 658,637.18

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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.