Home / 1,324,587.40-1,987,177.42-483,139.16

Finding the Fourth Proportional to 1,324,587.40, 1,987,177.42 and 483,139.16

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Solution

The fourth proportional to 1,324,587.40, 1,987,177.42 and 483,139.16 is: 724,816.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,587.40 : 1,987,177.42 = 483,139.16 : x
  2. Step 2: Convert to fraction form
    1,324,587.40/1,987,177.42 = 483,139.16/x
  3. Step 3: Cross multiply
    1,324,587.40x = 1,987,177.42 × 483,139.16
  4. Step 4: Simplify right side
    1,324,587.40x = 960,083,229,469.77
  5. Step 5: Solve for x
    x = 960,083,229,469.77/1,324,587.40
  6. Step 6: Final answer
    x = 724,816.82

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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.