Home / 409,352.12-564,522.77-323,516.17

Finding the Fourth Proportional to 409,352.12, 564,522.77 and 323,516.17

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Solution

The fourth proportional to 409,352.12, 564,522.77 and 323,516.17 is: 446,149.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,352.12 : 564,522.77 = 323,516.17 : x
  2. Step 2: Convert to fraction form
    409,352.12/564,522.77 = 323,516.17/x
  3. Step 3: Cross multiply
    409,352.12x = 564,522.77 × 323,516.17
  4. Step 4: Simplify right side
    409,352.12x = 182,632,242,535.14
  5. Step 5: Solve for x
    x = 182,632,242,535.14/409,352.12
  6. Step 6: Final answer
    x = 446,149.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.