Home / 563,174.80-845,065.64-409,317.53

Finding the Fourth Proportional to 563,174.80, 845,065.64 and 409,317.53

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Solution

The fourth proportional to 563,174.80, 845,065.64 and 409,317.53 is: 614,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,174.80 : 845,065.64 = 409,317.53 : x
  2. Step 2: Convert to fraction form
    563,174.80/845,065.64 = 409,317.53/x
  3. Step 3: Cross multiply
    563,174.80x = 845,065.64 × 409,317.53
  4. Step 4: Simplify right side
    563,174.80x = 345,900,177,250.64
  5. Step 5: Solve for x
    x = 345,900,177,250.64/563,174.80
  6. Step 6: Final answer
    x = 614,196.83

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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.