Home / 460,826.46-691,174.08-145,242.36

Finding the Fourth Proportional to 460,826.46, 691,174.08 and 145,242.36

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Solution

The fourth proportional to 460,826.46, 691,174.08 and 145,242.36 is: 217,842.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,826.46 : 691,174.08 = 145,242.36 : x
  2. Step 2: Convert to fraction form
    460,826.46/691,174.08 = 145,242.36/x
  3. Step 3: Cross multiply
    460,826.46x = 691,174.08 × 145,242.36
  4. Step 4: Simplify right side
    460,826.46x = 100,387,754,550.03
  5. Step 5: Solve for x
    x = 100,387,754,550.03/460,826.46
  6. Step 6: Final answer
    x = 217,842.86

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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.