Home / 1,182,362.20-1,773,197.70-424,115.80

Finding the Fourth Proportional to 1,182,362.20, 1,773,197.70 and 424,115.80

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Solution

The fourth proportional to 1,182,362.20, 1,773,197.70 and 424,115.80 is: 636,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,362.20 : 1,773,197.70 = 424,115.80 : x
  2. Step 2: Convert to fraction form
    1,182,362.20/1,773,197.70 = 424,115.80/x
  3. Step 3: Cross multiply
    1,182,362.20x = 1,773,197.70 × 424,115.80
  4. Step 4: Simplify right side
    1,182,362.20x = 752,041,161,093.66
  5. Step 5: Solve for x
    x = 752,041,161,093.66/1,182,362.20
  6. Step 6: Final answer
    x = 636,049.73

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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.