Home / 372,162.79-513,700.28-295,817.36

Finding the Fourth Proportional to 372,162.79, 513,700.28 and 295,817.36

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Solution

The fourth proportional to 372,162.79, 513,700.28 and 295,817.36 is: 408,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,162.79 : 513,700.28 = 295,817.36 : x
  2. Step 2: Convert to fraction form
    372,162.79/513,700.28 = 295,817.36/x
  3. Step 3: Cross multiply
    372,162.79x = 513,700.28 × 295,817.36
  4. Step 4: Simplify right side
    372,162.79x = 151,961,458,831.90
  5. Step 5: Solve for x
    x = 151,961,458,831.90/372,162.79
  6. Step 6: Final answer
    x = 408,319.86

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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.