Home / 858,774.57-1,286,199.88-409,810.73

Finding the Fourth Proportional to 858,774.57, 1,286,199.88 and 409,810.73

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Solution

The fourth proportional to 858,774.57, 1,286,199.88 and 409,810.73 is: 613,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,774.57 : 1,286,199.88 = 409,810.73 : x
  2. Step 2: Convert to fraction form
    858,774.57/1,286,199.88 = 409,810.73/x
  3. Step 3: Cross multiply
    858,774.57x = 1,286,199.88 × 409,810.73
  4. Step 4: Simplify right side
    858,774.57x = 527,098,504,293.19
  5. Step 5: Solve for x
    x = 527,098,504,293.19/858,774.57
  6. Step 6: Final answer
    x = 613,779.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.