Home / 654,261.20-981,391.80-441,684.80

Finding the Fourth Proportional to 654,261.20, 981,391.80 and 441,684.80

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Solution

The fourth proportional to 654,261.20, 981,391.80 and 441,684.80 is: 662,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,261.20 : 981,391.80 = 441,684.80 : x
  2. Step 2: Convert to fraction form
    654,261.20/981,391.80 = 441,684.80/x
  3. Step 3: Cross multiply
    654,261.20x = 981,391.80 × 441,684.80
  4. Step 4: Simplify right side
    654,261.20x = 433,465,840,904.64
  5. Step 5: Solve for x
    x = 433,465,840,904.64/654,261.20
  6. Step 6: Final answer
    x = 662,527.20

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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.