Home / 717,676.12-1,076,508.78-185,151.88

Finding the Fourth Proportional to 717,676.12, 1,076,508.78 and 185,151.88

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Solution

The fourth proportional to 717,676.12, 1,076,508.78 and 185,151.88 is: 277,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,676.12 : 1,076,508.78 = 185,151.88 : x
  2. Step 2: Convert to fraction form
    717,676.12/1,076,508.78 = 185,151.88/x
  3. Step 3: Cross multiply
    717,676.12x = 1,076,508.78 × 185,151.88
  4. Step 4: Simplify right side
    717,676.12x = 199,317,624,453.51
  5. Step 5: Solve for x
    x = 199,317,624,453.51/717,676.12
  6. Step 6: Final answer
    x = 277,726.43

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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.