Home / 1,238,269.73-1,857,589.13-439,484.38

Finding the Fourth Proportional to 1,238,269.73, 1,857,589.13 and 439,484.38

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Solution

The fourth proportional to 1,238,269.73, 1,857,589.13 and 439,484.38 is: 659,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,269.73 : 1,857,589.13 = 439,484.38 : x
  2. Step 2: Convert to fraction form
    1,238,269.73/1,857,589.13 = 439,484.38/x
  3. Step 3: Cross multiply
    1,238,269.73x = 1,857,589.13 × 439,484.38
  4. Step 4: Simplify right side
    1,238,269.73x = 816,381,400,251.40
  5. Step 5: Solve for x
    x = 816,381,400,251.40/1,238,269.73
  6. Step 6: Final answer
    x = 659,292.06

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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.