Home / 826,400.80-1,239,601.20-573,146.20

Finding the Fourth Proportional to 826,400.80, 1,239,601.20 and 573,146.20

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Solution

The fourth proportional to 826,400.80, 1,239,601.20 and 573,146.20 is: 859,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,400.80 : 1,239,601.20 = 573,146.20 : x
  2. Step 2: Convert to fraction form
    826,400.80/1,239,601.20 = 573,146.20/x
  3. Step 3: Cross multiply
    826,400.80x = 1,239,601.20 × 573,146.20
  4. Step 4: Simplify right side
    826,400.80x = 710,472,717,295.44
  5. Step 5: Solve for x
    x = 710,472,717,295.44/826,400.80
  6. Step 6: Final answer
    x = 859,719.30

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Half scale
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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.