Home / 397,509.12-596,263.68-272,471.04

Finding the Fourth Proportional to 397,509.12, 596,263.68 and 272,471.04

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Solution

The fourth proportional to 397,509.12, 596,263.68 and 272,471.04 is: 408,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,509.12 : 596,263.68 = 272,471.04 : x
  2. Step 2: Convert to fraction form
    397,509.12/596,263.68 = 272,471.04/x
  3. Step 3: Cross multiply
    397,509.12x = 596,263.68 × 272,471.04
  4. Step 4: Simplify right side
    397,509.12x = 162,464,585,003.83
  5. Step 5: Solve for x
    x = 162,464,585,003.83/397,509.12
  6. Step 6: Final answer
    x = 408,706.56

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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.