Home / 934,000.20-1,398,926.70-809,584.20

Finding the Fourth Proportional to 934,000.20, 1,398,926.70 and 809,584.20

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Solution

The fourth proportional to 934,000.20, 1,398,926.70 and 809,584.20 is: 1,212,578.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,000.20 : 1,398,926.70 = 809,584.20 : x
  2. Step 2: Convert to fraction form
    934,000.20/1,398,926.70 = 809,584.20/x
  3. Step 3: Cross multiply
    934,000.20x = 1,398,926.70 × 809,584.20
  4. Step 4: Simplify right side
    934,000.20x = 1,132,548,953,278.14
  5. Step 5: Solve for x
    x = 1,132,548,953,278.14/934,000.20
  6. Step 6: Final answer
    x = 1,212,578.92

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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.