Home / 1,420,562.22-2,131,158.85-409,605.53

Finding the Fourth Proportional to 1,420,562.22, 2,131,158.85 and 409,605.53

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Solution

The fourth proportional to 1,420,562.22, 2,131,158.85 and 409,605.53 is: 614,499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,562.22 : 2,131,158.85 = 409,605.53 : x
  2. Step 2: Convert to fraction form
    1,420,562.22/2,131,158.85 = 409,605.53/x
  3. Step 3: Cross multiply
    1,420,562.22x = 2,131,158.85 × 409,605.53
  4. Step 4: Simplify right side
    1,420,562.22x = 872,934,440,892.66
  5. Step 5: Solve for x
    x = 872,934,440,892.66/1,420,562.22
  6. Step 6: Final answer
    x = 614,499.26

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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.