Home / 882,685.48-1,218,195.62-520,226.04

Finding the Fourth Proportional to 882,685.48, 1,218,195.62 and 520,226.04

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Solution

The fourth proportional to 882,685.48, 1,218,195.62 and 520,226.04 is: 717,964.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,685.48 : 1,218,195.62 = 520,226.04 : x
  2. Step 2: Convert to fraction form
    882,685.48/1,218,195.62 = 520,226.04/x
  3. Step 3: Cross multiply
    882,685.48x = 1,218,195.62 × 520,226.04
  4. Step 4: Simplify right side
    882,685.48x = 633,737,083,337.95
  5. Step 5: Solve for x
    x = 633,737,083,337.95/882,685.48
  6. Step 6: Final answer
    x = 717,964.78

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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.