Home / 826,276.80-1,239,415.20-573,022.20

Finding the Fourth Proportional to 826,276.80, 1,239,415.20 and 573,022.20

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Solution

The fourth proportional to 826,276.80, 1,239,415.20 and 573,022.20 is: 859,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,276.80 : 1,239,415.20 = 573,022.20 : x
  2. Step 2: Convert to fraction form
    826,276.80/1,239,415.20 = 573,022.20/x
  3. Step 3: Cross multiply
    826,276.80x = 1,239,415.20 × 573,022.20
  4. Step 4: Simplify right side
    826,276.80x = 710,212,424,617.44
  5. Step 5: Solve for x
    x = 710,212,424,617.44/826,276.80
  6. Step 6: Final answer
    x = 859,533.30

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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.