Home / 432,831.12-649,042.34-252,968.16

Finding the Fourth Proportional to 432,831.12, 649,042.34 and 252,968.16

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Solution

The fourth proportional to 432,831.12, 649,042.34 and 252,968.16 is: 379,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,831.12 : 649,042.34 = 252,968.16 : x
  2. Step 2: Convert to fraction form
    432,831.12/649,042.34 = 252,968.16/x
  3. Step 3: Cross multiply
    432,831.12x = 649,042.34 × 252,968.16
  4. Step 4: Simplify right side
    432,831.12x = 164,187,046,511.89
  5. Step 5: Solve for x
    x = 164,187,046,511.89/432,831.12
  6. Step 6: Final answer
    x = 379,332.81

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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.