Home / 791,985.96-1,187,086.50-392,912.76

Finding the Fourth Proportional to 791,985.96, 1,187,086.50 and 392,912.76

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Solution

The fourth proportional to 791,985.96, 1,187,086.50 and 392,912.76 is: 588,926.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,985.96 : 1,187,086.50 = 392,912.76 : x
  2. Step 2: Convert to fraction form
    791,985.96/1,187,086.50 = 392,912.76/x
  3. Step 3: Cross multiply
    791,985.96x = 1,187,086.50 × 392,912.76
  4. Step 4: Simplify right side
    791,985.96x = 466,421,433,073.74
  5. Step 5: Solve for x
    x = 466,421,433,073.74/791,985.96
  6. Step 6: Final answer
    x = 588,926.39

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1.5x scale

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.