Home / 572,786.20-859,179.30-481,547.80

Finding the Fourth Proportional to 572,786.20, 859,179.30 and 481,547.80

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Solution

The fourth proportional to 572,786.20, 859,179.30 and 481,547.80 is: 722,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,786.20 : 859,179.30 = 481,547.80 : x
  2. Step 2: Convert to fraction form
    572,786.20/859,179.30 = 481,547.80/x
  3. Step 3: Cross multiply
    572,786.20x = 859,179.30 × 481,547.80
  4. Step 4: Simplify right side
    572,786.20x = 413,735,901,720.54
  5. Step 5: Solve for x
    x = 413,735,901,720.54/572,786.20
  6. Step 6: Final answer
    x = 722,321.70

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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.