Home / 791,997.30-1,186,959.15-318,294.90

Finding the Fourth Proportional to 791,997.30, 1,186,959.15 and 318,294.90

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Solution

The fourth proportional to 791,997.30, 1,186,959.15 and 318,294.90 is: 477,025.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,997.30 : 1,186,959.15 = 318,294.90 : x
  2. Step 2: Convert to fraction form
    791,997.30/1,186,959.15 = 318,294.90/x
  3. Step 3: Cross multiply
    791,997.30x = 1,186,959.15 × 318,294.90
  4. Step 4: Simplify right side
    791,997.30x = 377,803,043,953.34
  5. Step 5: Solve for x
    x = 377,803,043,953.34/791,997.30
  6. Step 6: Final answer
    x = 477,025.67

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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.