Home / 859,868.28-1,186,667.34-477,919.26

Finding the Fourth Proportional to 859,868.28, 1,186,667.34 and 477,919.26

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Solution

The fourth proportional to 859,868.28, 1,186,667.34 and 477,919.26 is: 659,555.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,868.28 : 1,186,667.34 = 477,919.26 : x
  2. Step 2: Convert to fraction form
    859,868.28/1,186,667.34 = 477,919.26/x
  3. Step 3: Cross multiply
    859,868.28x = 1,186,667.34 × 477,919.26
  4. Step 4: Simplify right side
    859,868.28x = 567,131,176,998.97
  5. Step 5: Solve for x
    x = 567,131,176,998.97/859,868.28
  6. Step 6: Final answer
    x = 659,555.88

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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.