Home / 866,081.20-1,298,430.60-367,034.80

Finding the Fourth Proportional to 866,081.20, 1,298,430.60 and 367,034.80

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Solution

The fourth proportional to 866,081.20, 1,298,430.60 and 367,034.80 is: 550,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,081.20 : 1,298,430.60 = 367,034.80 : x
  2. Step 2: Convert to fraction form
    866,081.20/1,298,430.60 = 367,034.80/x
  3. Step 3: Cross multiply
    866,081.20x = 1,298,430.60 × 367,034.80
  4. Step 4: Simplify right side
    866,081.20x = 476,569,215,584.88
  5. Step 5: Solve for x
    x = 476,569,215,584.88/866,081.20
  6. Step 6: Final answer
    x = 550,259.28

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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.