Home / 842,922.80-1,264,384.20-482,723.90

Finding the Fourth Proportional to 842,922.80, 1,264,384.20 and 482,723.90

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Solution

The fourth proportional to 842,922.80, 1,264,384.20 and 482,723.90 is: 724,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,922.80 : 1,264,384.20 = 482,723.90 : x
  2. Step 2: Convert to fraction form
    842,922.80/1,264,384.20 = 482,723.90/x
  3. Step 3: Cross multiply
    842,922.80x = 1,264,384.20 × 482,723.90
  4. Step 4: Simplify right side
    842,922.80x = 610,348,472,122.38
  5. Step 5: Solve for x
    x = 610,348,472,122.38/842,922.80
  6. Step 6: Final answer
    x = 724,085.85

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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.