Home / 849,769.20-1,172,714.94-467,831.52

Finding the Fourth Proportional to 849,769.20, 1,172,714.94 and 467,831.52

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Solution

The fourth proportional to 849,769.20, 1,172,714.94 and 467,831.52 is: 645,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,769.20 : 1,172,714.94 = 467,831.52 : x
  2. Step 2: Convert to fraction form
    849,769.20/1,172,714.94 = 467,831.52/x
  3. Step 3: Cross multiply
    849,769.20x = 1,172,714.94 × 467,831.52
  4. Step 4: Simplify right side
    849,769.20x = 548,633,012,906.91
  5. Step 5: Solve for x
    x = 548,633,012,906.91/849,769.20
  6. Step 6: Final answer
    x = 645,625.91

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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.