Home / 591,593.40-887,946.90-311,311.80

Finding the Fourth Proportional to 591,593.40, 887,946.90 and 311,311.80

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Solution

The fourth proportional to 591,593.40, 887,946.90 and 311,311.80 is: 467,260.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,593.40 : 887,946.90 = 311,311.80 : x
  2. Step 2: Convert to fraction form
    591,593.40/887,946.90 = 311,311.80/x
  3. Step 3: Cross multiply
    591,593.40x = 887,946.90 × 311,311.80
  4. Step 4: Simplify right side
    591,593.40x = 276,428,347,743.42
  5. Step 5: Solve for x
    x = 276,428,347,743.42/591,593.40
  6. Step 6: Final answer
    x = 467,260.70

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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.