Home / 867,439.26-1,197,191.87-499,844.88

Finding the Fourth Proportional to 867,439.26, 1,197,191.87 and 499,844.88

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Solution

The fourth proportional to 867,439.26, 1,197,191.87 and 499,844.88 is: 689,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,439.26 : 1,197,191.87 = 499,844.88 : x
  2. Step 2: Convert to fraction form
    867,439.26/1,197,191.87 = 499,844.88/x
  3. Step 3: Cross multiply
    867,439.26x = 1,197,191.87 × 499,844.88
  4. Step 4: Simplify right side
    867,439.26x = 598,410,221,860.78
  5. Step 5: Solve for x
    x = 598,410,221,860.78/867,439.26
  6. Step 6: Final answer
    x = 689,858.36

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1.5x scale

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.