Home / 768,757.28-1,153,140.08-504,193.20

Finding the Fourth Proportional to 768,757.28, 1,153,140.08 and 504,193.20

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Solution

The fourth proportional to 768,757.28, 1,153,140.08 and 504,193.20 is: 756,292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,757.28 : 1,153,140.08 = 504,193.20 : x
  2. Step 2: Convert to fraction form
    768,757.28/1,153,140.08 = 504,193.20/x
  3. Step 3: Cross multiply
    768,757.28x = 1,153,140.08 × 504,193.20
  4. Step 4: Simplify right side
    768,757.28x = 581,405,386,983.46
  5. Step 5: Solve for x
    x = 581,405,386,983.46/768,757.28
  6. Step 6: Final answer
    x = 756,292.53

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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.