Home / 1,256,288.20-1,884,191.94-487,785.94

Finding the Fourth Proportional to 1,256,288.20, 1,884,191.94 and 487,785.94

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Solution

The fourth proportional to 1,256,288.20, 1,884,191.94 and 487,785.94 is: 731,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,288.20 : 1,884,191.94 = 487,785.94 : x
  2. Step 2: Convert to fraction form
    1,256,288.20/1,884,191.94 = 487,785.94/x
  3. Step 3: Cross multiply
    1,256,288.20x = 1,884,191.94 × 487,785.94
  4. Step 4: Simplify right side
    1,256,288.20x = 919,082,336,593.32
  5. Step 5: Solve for x
    x = 919,082,336,593.32/1,256,288.20
  6. Step 6: Final answer
    x = 731,585.58

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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.