Home / 913,620.20-1,366,542.30-819,530.60

Finding the Fourth Proportional to 913,620.20, 1,366,542.30 and 819,530.60

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Solution

The fourth proportional to 913,620.20, 1,366,542.30 and 819,530.60 is: 1,225,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,620.20 : 1,366,542.30 = 819,530.60 : x
  2. Step 2: Convert to fraction form
    913,620.20/1,366,542.30 = 819,530.60/x
  3. Step 3: Cross multiply
    913,620.20x = 1,366,542.30 × 819,530.60
  4. Step 4: Simplify right side
    913,620.20x = 1,119,923,231,044.38
  5. Step 5: Solve for x
    x = 1,119,923,231,044.38/913,620.20
  6. Step 6: Final answer
    x = 1,225,808.31

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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.