Home / 1,098,169.55-1,647,500.37-424,190.83

Finding the Fourth Proportional to 1,098,169.55, 1,647,500.37 and 424,190.83

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Solution

The fourth proportional to 1,098,169.55, 1,647,500.37 and 424,190.83 is: 636,381.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,169.55 : 1,647,500.37 = 424,190.83 : x
  2. Step 2: Convert to fraction form
    1,098,169.55/1,647,500.37 = 424,190.83/x
  3. Step 3: Cross multiply
    1,098,169.55x = 1,647,500.37 × 424,190.83
  4. Step 4: Simplify right side
    1,098,169.55x = 698,854,539,017.15
  5. Step 5: Solve for x
    x = 698,854,539,017.15/1,098,169.55
  6. Step 6: Final answer
    x = 636,381.28

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Double scale
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1.5x scale

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.