Home / 717,678.12-1,076,511.78-185,153.88

Finding the Fourth Proportional to 717,678.12, 1,076,511.78 and 185,153.88

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Solution

The fourth proportional to 717,678.12, 1,076,511.78 and 185,153.88 is: 277,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,678.12 : 1,076,511.78 = 185,153.88 : x
  2. Step 2: Convert to fraction form
    717,678.12/1,076,511.78 = 185,153.88/x
  3. Step 3: Cross multiply
    717,678.12x = 1,076,511.78 × 185,153.88
  4. Step 4: Simplify right side
    717,678.12x = 199,320,332,932.71
  5. Step 5: Solve for x
    x = 199,320,332,932.71/717,678.12
  6. Step 6: Final answer
    x = 277,729.43

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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.