Home / 930,826.64-1,284,693.20-775,531.76

Finding the Fourth Proportional to 930,826.64, 1,284,693.20 and 775,531.76

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Solution

The fourth proportional to 930,826.64, 1,284,693.20 and 775,531.76 is: 1,070,360.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,826.64 : 1,284,693.20 = 775,531.76 : x
  2. Step 2: Convert to fraction form
    930,826.64/1,284,693.20 = 775,531.76/x
  3. Step 3: Cross multiply
    930,826.64x = 1,284,693.20 × 775,531.76
  4. Step 4: Simplify right side
    930,826.64x = 996,320,378,456.03
  5. Step 5: Solve for x
    x = 996,320,378,456.03/930,826.64
  6. Step 6: Final answer
    x = 1,070,360.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.