Home / 819,307.91-1,229,027.49-627,458.87

Finding the Fourth Proportional to 819,307.91, 1,229,027.49 and 627,458.87

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Solution

The fourth proportional to 819,307.91, 1,229,027.49 and 627,458.87 is: 941,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,307.91 : 1,229,027.49 = 627,458.87 : x
  2. Step 2: Convert to fraction form
    819,307.91/1,229,027.49 = 627,458.87/x
  3. Step 3: Cross multiply
    819,307.91x = 1,229,027.49 × 627,458.87
  4. Step 4: Simplify right side
    819,307.91x = 771,164,200,074.34
  5. Step 5: Solve for x
    x = 771,164,200,074.34/819,307.91
  6. Step 6: Final answer
    x = 941,238.56

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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.