Home / 510,853.10-766,343.27-173,867.86

Finding the Fourth Proportional to 510,853.10, 766,343.27 and 173,867.86

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Solution

The fourth proportional to 510,853.10, 766,343.27 and 173,867.86 is: 260,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,853.10 : 766,343.27 = 173,867.86 : x
  2. Step 2: Convert to fraction form
    510,853.10/766,343.27 = 173,867.86/x
  3. Step 3: Cross multiply
    510,853.10x = 766,343.27 × 173,867.86
  4. Step 4: Simplify right side
    510,853.10x = 133,242,464,380.30
  5. Step 5: Solve for x
    x = 133,242,464,380.30/510,853.10
  6. Step 6: Final answer
    x = 260,823.44

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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.