Home / 563,380.78-845,110.18-226,421.72

Finding the Fourth Proportional to 563,380.78, 845,110.18 and 226,421.72

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Solution

The fourth proportional to 563,380.78, 845,110.18 and 226,421.72 is: 339,648.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,380.78 : 845,110.18 = 226,421.72 : x
  2. Step 2: Convert to fraction form
    563,380.78/845,110.18 = 226,421.72/x
  3. Step 3: Cross multiply
    563,380.78x = 845,110.18 × 226,421.72
  4. Step 4: Simplify right side
    563,380.78x = 191,351,300,545.11
  5. Step 5: Solve for x
    x = 191,351,300,545.11/563,380.78
  6. Step 6: Final answer
    x = 339,648.26

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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.