Home / 782,691.72-1,174,431.52-583,412.28

Finding the Fourth Proportional to 782,691.72, 1,174,431.52 and 583,412.28

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Solution

The fourth proportional to 782,691.72, 1,174,431.52 and 583,412.28 is: 875,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,691.72 : 1,174,431.52 = 583,412.28 : x
  2. Step 2: Convert to fraction form
    782,691.72/1,174,431.52 = 583,412.28/x
  3. Step 3: Cross multiply
    782,691.72x = 1,174,431.52 × 583,412.28
  4. Step 4: Simplify right side
    782,691.72x = 685,177,770,787.07
  5. Step 5: Solve for x
    x = 685,177,770,787.07/782,691.72
  6. Step 6: Final answer
    x = 875,412.06

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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.