Home / 756,043.20-1,134,064.80-504,100.80

Finding the Fourth Proportional to 756,043.20, 1,134,064.80 and 504,100.80

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Solution

The fourth proportional to 756,043.20, 1,134,064.80 and 504,100.80 is: 756,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,043.20 : 1,134,064.80 = 504,100.80 : x
  2. Step 2: Convert to fraction form
    756,043.20/1,134,064.80 = 504,100.80/x
  3. Step 3: Cross multiply
    756,043.20x = 1,134,064.80 × 504,100.80
  4. Step 4: Simplify right side
    756,043.20x = 571,682,972,931.84
  5. Step 5: Solve for x
    x = 571,682,972,931.84/756,043.20
  6. Step 6: Final answer
    x = 756,151.20

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Double scale
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Similar ratio
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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.