Home / 654,416.80-981,625.20-233,706.40

Finding the Fourth Proportional to 654,416.80, 981,625.20 and 233,706.40

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Solution

The fourth proportional to 654,416.80, 981,625.20 and 233,706.40 is: 350,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,416.80 : 981,625.20 = 233,706.40 : x
  2. Step 2: Convert to fraction form
    654,416.80/981,625.20 = 233,706.40/x
  3. Step 3: Cross multiply
    654,416.80x = 981,625.20 × 233,706.40
  4. Step 4: Simplify right side
    654,416.80x = 229,412,091,641.28
  5. Step 5: Solve for x
    x = 229,412,091,641.28/654,416.80
  6. Step 6: Final answer
    x = 350,559.60

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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.