Home / 930,691.20-1,396,036.80-836,212.80

Finding the Fourth Proportional to 930,691.20, 1,396,036.80 and 836,212.80

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Solution

The fourth proportional to 930,691.20, 1,396,036.80 and 836,212.80 is: 1,254,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,691.20 : 1,396,036.80 = 836,212.80 : x
  2. Step 2: Convert to fraction form
    930,691.20/1,396,036.80 = 836,212.80/x
  3. Step 3: Cross multiply
    930,691.20x = 1,396,036.80 × 836,212.80
  4. Step 4: Simplify right side
    930,691.20x = 1,167,383,841,431.04
  5. Step 5: Solve for x
    x = 1,167,383,841,431.04/930,691.20
  6. Step 6: Final answer
    x = 1,254,319.20

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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.