Home / 788,807.78-1,182,277.30-361,983.82

Finding the Fourth Proportional to 788,807.78, 1,182,277.30 and 361,983.82

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Solution

The fourth proportional to 788,807.78, 1,182,277.30 and 361,983.82 is: 542,546.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,807.78 : 1,182,277.30 = 361,983.82 : x
  2. Step 2: Convert to fraction form
    788,807.78/1,182,277.30 = 361,983.82/x
  3. Step 3: Cross multiply
    788,807.78x = 1,182,277.30 × 361,983.82
  4. Step 4: Simplify right side
    788,807.78x = 427,965,253,353.29
  5. Step 5: Solve for x
    x = 427,965,253,353.29/788,807.78
  6. Step 6: Final answer
    x = 542,546.95

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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.