Home / 819,885.24-1,229,434.20-464,803.92

Finding the Fourth Proportional to 819,885.24, 1,229,434.20 and 464,803.92

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Solution

The fourth proportional to 819,885.24, 1,229,434.20 and 464,803.92 is: 696,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,885.24 : 1,229,434.20 = 464,803.92 : x
  2. Step 2: Convert to fraction form
    819,885.24/1,229,434.20 = 464,803.92/x
  3. Step 3: Cross multiply
    819,885.24x = 1,229,434.20 × 464,803.92
  4. Step 4: Simplify right side
    819,885.24x = 571,445,835,542.06
  5. Step 5: Solve for x
    x = 571,445,835,542.06/819,885.24
  6. Step 6: Final answer
    x = 696,982.71

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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.