Home / 818,326.40-1,226,337.60-650,134.40

Finding the Fourth Proportional to 818,326.40, 1,226,337.60 and 650,134.40

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Solution

The fourth proportional to 818,326.40, 1,226,337.60 and 650,134.40 is: 974,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,326.40 : 1,226,337.60 = 650,134.40 : x
  2. Step 2: Convert to fraction form
    818,326.40/1,226,337.60 = 650,134.40/x
  3. Step 3: Cross multiply
    818,326.40x = 1,226,337.60 × 650,134.40
  4. Step 4: Simplify right side
    818,326.40x = 797,284,259,773.44
  5. Step 5: Solve for x
    x = 797,284,259,773.44/818,326.40
  6. Step 6: Final answer
    x = 974,286.37

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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.