Home / 886,433.28-1,327,530.72-511,319.04

Finding the Fourth Proportional to 886,433.28, 1,327,530.72 and 511,319.04

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Solution

The fourth proportional to 886,433.28, 1,327,530.72 and 511,319.04 is: 765,756.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,433.28 : 1,327,530.72 = 511,319.04 : x
  2. Step 2: Convert to fraction form
    886,433.28/1,327,530.72 = 511,319.04/x
  3. Step 3: Cross multiply
    886,433.28x = 1,327,530.72 × 511,319.04
  4. Step 4: Simplify right side
    886,433.28x = 678,791,733,320.91
  5. Step 5: Solve for x
    x = 678,791,733,320.91/886,433.28
  6. Step 6: Final answer
    x = 765,756.15

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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.