Home / 1,238,251.76-1,857,562.16-439,466.40

Finding the Fourth Proportional to 1,238,251.76, 1,857,562.16 and 439,466.40

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Solution

The fourth proportional to 1,238,251.76, 1,857,562.16 and 439,466.40 is: 659,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,251.76 : 1,857,562.16 = 439,466.40 : x
  2. Step 2: Convert to fraction form
    1,238,251.76/1,857,562.16 = 439,466.40/x
  3. Step 3: Cross multiply
    1,238,251.76x = 1,857,562.16 × 439,466.40
  4. Step 4: Simplify right side
    1,238,251.76x = 816,336,155,231.42
  5. Step 5: Solve for x
    x = 816,336,155,231.42/1,238,251.76
  6. Step 6: Final answer
    x = 659,265.09

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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.