Home / 862,199.79-1,291,091.46-719,690.75

Finding the Fourth Proportional to 862,199.79, 1,291,091.46 and 719,690.75

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Solution

The fourth proportional to 862,199.79, 1,291,091.46 and 719,690.75 is: 1,077,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,199.79 : 1,291,091.46 = 719,690.75 : x
  2. Step 2: Convert to fraction form
    862,199.79/1,291,091.46 = 719,690.75/x
  3. Step 3: Cross multiply
    862,199.79x = 1,291,091.46 × 719,690.75
  4. Step 4: Simplify right side
    862,199.79x = 929,186,581,166.00
  5. Step 5: Solve for x
    x = 929,186,581,166.00/862,199.79
  6. Step 6: Final answer
    x = 1,077,692.89

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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.