Home / 874,150.12-1,206,227.46-492,167.08

Finding the Fourth Proportional to 874,150.12, 1,206,227.46 and 492,167.08

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Solution

The fourth proportional to 874,150.12, 1,206,227.46 and 492,167.08 is: 679,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,150.12 : 1,206,227.46 = 492,167.08 : x
  2. Step 2: Convert to fraction form
    874,150.12/1,206,227.46 = 492,167.08/x
  3. Step 3: Cross multiply
    874,150.12x = 1,206,227.46 × 492,167.08
  4. Step 4: Simplify right side
    874,150.12x = 593,665,446,804.02
  5. Step 5: Solve for x
    x = 593,665,446,804.02/874,150.12
  6. Step 6: Final answer
    x = 679,134.43

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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.