Home / 1,327,729.80-1,991,591.64-569,079.35

Finding the Fourth Proportional to 1,327,729.80, 1,991,591.64 and 569,079.35

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Solution

The fourth proportional to 1,327,729.80, 1,991,591.64 and 569,079.35 is: 853,617.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,729.80 : 1,991,591.64 = 569,079.35 : x
  2. Step 2: Convert to fraction form
    1,327,729.80/1,991,591.64 = 569,079.35/x
  3. Step 3: Cross multiply
    1,327,729.80x = 1,991,591.64 × 569,079.35
  4. Step 4: Simplify right side
    1,327,729.80x = 1,133,373,675,956.63
  5. Step 5: Solve for x
    x = 1,133,373,675,956.63/1,327,729.80
  6. Step 6: Final answer
    x = 853,617.71

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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.