Home / 480,716.24-721,019.27-125,764.52

Finding the Fourth Proportional to 480,716.24, 721,019.27 and 125,764.52

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Solution

The fourth proportional to 480,716.24, 721,019.27 and 125,764.52 is: 188,632.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,716.24 : 721,019.27 = 125,764.52 : x
  2. Step 2: Convert to fraction form
    480,716.24/721,019.27 = 125,764.52/x
  3. Step 3: Cross multiply
    480,716.24x = 721,019.27 × 125,764.52
  4. Step 4: Simplify right side
    480,716.24x = 90,678,638,168.38
  5. Step 5: Solve for x
    x = 90,678,638,168.38/480,716.24
  6. Step 6: Final answer
    x = 188,632.36

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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.