Home / 1,204,691.56-1,807,589.16-521,787.28

Finding the Fourth Proportional to 1,204,691.56, 1,807,589.16 and 521,787.28

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Solution

The fourth proportional to 1,204,691.56, 1,807,589.16 and 521,787.28 is: 782,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,691.56 : 1,807,589.16 = 521,787.28 : x
  2. Step 2: Convert to fraction form
    1,204,691.56/1,807,589.16 = 521,787.28/x
  3. Step 3: Cross multiply
    1,204,691.56x = 1,807,589.16 × 521,787.28
  4. Step 4: Simplify right side
    1,204,691.56x = 943,177,031,153.89
  5. Step 5: Solve for x
    x = 943,177,031,153.89/1,204,691.56
  6. Step 6: Final answer
    x = 782,919.93

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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.