Home / 838,300.80-1,257,451.20-667,058.70

Finding the Fourth Proportional to 838,300.80, 1,257,451.20 and 667,058.70

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Solution

The fourth proportional to 838,300.80, 1,257,451.20 and 667,058.70 is: 1,000,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,300.80 : 1,257,451.20 = 667,058.70 : x
  2. Step 2: Convert to fraction form
    838,300.80/1,257,451.20 = 667,058.70/x
  3. Step 3: Cross multiply
    838,300.80x = 1,257,451.20 × 667,058.70
  4. Step 4: Simplify right side
    838,300.80x = 838,793,762,785.44
  5. Step 5: Solve for x
    x = 838,793,762,785.44/838,300.80
  6. Step 6: Final answer
    x = 1,000,588.05

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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.