Home / 925,926.75-1,386,122.96-560,081.21

Finding the Fourth Proportional to 925,926.75, 1,386,122.96 and 560,081.21

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Solution

The fourth proportional to 925,926.75, 1,386,122.96 and 560,081.21 is: 838,447.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,926.75 : 1,386,122.96 = 560,081.21 : x
  2. Step 2: Convert to fraction form
    925,926.75/1,386,122.96 = 560,081.21/x
  3. Step 3: Cross multiply
    925,926.75x = 1,386,122.96 × 560,081.21
  4. Step 4: Simplify right side
    925,926.75x = 776,341,414,914.56
  5. Step 5: Solve for x
    x = 776,341,414,914.56/925,926.75
  6. Step 6: Final answer
    x = 838,447.98

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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.