Home / 1,374,658.16-2,062,002.36-415,121.90

Finding the Fourth Proportional to 1,374,658.16, 2,062,002.36 and 415,121.90

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Solution

The fourth proportional to 1,374,658.16, 2,062,002.36 and 415,121.90 is: 622,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,658.16 : 2,062,002.36 = 415,121.90 : x
  2. Step 2: Convert to fraction form
    1,374,658.16/2,062,002.36 = 415,121.90/x
  3. Step 3: Cross multiply
    1,374,658.16x = 2,062,002.36 × 415,121.90
  4. Step 4: Simplify right side
    1,374,658.16x = 855,982,341,038.93
  5. Step 5: Solve for x
    x = 855,982,341,038.93/1,374,658.16
  6. Step 6: Final answer
    x = 622,687.42

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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.