Home / 750,853.22-1,036,251.76-428,611.76

Finding the Fourth Proportional to 750,853.22, 1,036,251.76 and 428,611.76

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Solution

The fourth proportional to 750,853.22, 1,036,251.76 and 428,611.76 is: 591,526.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,853.22 : 1,036,251.76 = 428,611.76 : x
  2. Step 2: Convert to fraction form
    750,853.22/1,036,251.76 = 428,611.76/x
  3. Step 3: Cross multiply
    750,853.22x = 1,036,251.76 × 428,611.76
  4. Step 4: Simplify right side
    750,853.22x = 444,149,690,656.70
  5. Step 5: Solve for x
    x = 444,149,690,656.70/750,853.22
  6. Step 6: Final answer
    x = 591,526.65

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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.