Home / 866,203.80-1,297,337.40-547,339.20

Finding the Fourth Proportional to 866,203.80, 1,297,337.40 and 547,339.20

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Solution

The fourth proportional to 866,203.80, 1,297,337.40 and 547,339.20 is: 819,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,203.80 : 1,297,337.40 = 547,339.20 : x
  2. Step 2: Convert to fraction form
    866,203.80/1,297,337.40 = 547,339.20/x
  3. Step 3: Cross multiply
    866,203.80x = 1,297,337.40 × 547,339.20
  4. Step 4: Simplify right side
    866,203.80x = 710,083,614,646.08
  5. Step 5: Solve for x
    x = 710,083,614,646.08/866,203.80
  6. Step 6: Final answer
    x = 819,765.07

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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.