Home / 1,367,997.40-1,887,576.54-858,470.14

Finding the Fourth Proportional to 1,367,997.40, 1,887,576.54 and 858,470.14

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Solution

The fourth proportional to 1,367,997.40, 1,887,576.54 and 858,470.14 is: 1,184,525.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,997.40 : 1,887,576.54 = 858,470.14 : x
  2. Step 2: Convert to fraction form
    1,367,997.40/1,887,576.54 = 858,470.14/x
  3. Step 3: Cross multiply
    1,367,997.40x = 1,887,576.54 × 858,470.14
  4. Step 4: Simplify right side
    1,367,997.40x = 1,620,428,096,554.52
  5. Step 5: Solve for x
    x = 1,620,428,096,554.52/1,367,997.40
  6. Step 6: Final answer
    x = 1,184,525.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.