Home / 591,595.40-887,949.90-311,313.80

Finding the Fourth Proportional to 591,595.40, 887,949.90 and 311,313.80

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Solution

The fourth proportional to 591,595.40, 887,949.90 and 311,313.80 is: 467,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,595.40 : 887,949.90 = 311,313.80 : x
  2. Step 2: Convert to fraction form
    591,595.40/887,949.90 = 311,313.80/x
  3. Step 3: Cross multiply
    591,595.40x = 887,949.90 × 311,313.80
  4. Step 4: Simplify right side
    591,595.40x = 276,431,057,578.62
  5. Step 5: Solve for x
    x = 276,431,057,578.62/591,595.40
  6. Step 6: Final answer
    x = 467,263.70

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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.