Home / 826,250.80-1,239,376.20-542,815.60

Finding the Fourth Proportional to 826,250.80, 1,239,376.20 and 542,815.60

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Solution

The fourth proportional to 826,250.80, 1,239,376.20 and 542,815.60 is: 814,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,250.80 : 1,239,376.20 = 542,815.60 : x
  2. Step 2: Convert to fraction form
    826,250.80/1,239,376.20 = 542,815.60/x
  3. Step 3: Cross multiply
    826,250.80x = 1,239,376.20 × 542,815.60
  4. Step 4: Simplify right side
    826,250.80x = 672,752,735,628.72
  5. Step 5: Solve for x
    x = 672,752,735,628.72/826,250.80
  6. Step 6: Final answer
    x = 814,223.40

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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.