Home / 1,223,127.70-1,834,691.55-381,570.10

Finding the Fourth Proportional to 1,223,127.70, 1,834,691.55 and 381,570.10

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Solution

The fourth proportional to 1,223,127.70, 1,834,691.55 and 381,570.10 is: 572,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,127.70 : 1,834,691.55 = 381,570.10 : x
  2. Step 2: Convert to fraction form
    1,223,127.70/1,834,691.55 = 381,570.10/x
  3. Step 3: Cross multiply
    1,223,127.70x = 1,834,691.55 × 381,570.10
  4. Step 4: Simplify right side
    1,223,127.70x = 700,063,438,202.66
  5. Step 5: Solve for x
    x = 700,063,438,202.66/1,223,127.70
  6. Step 6: Final answer
    x = 572,355.15

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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.