Home / 919,227.88-1,268,387.94-556,589.80

Finding the Fourth Proportional to 919,227.88, 1,268,387.94 and 556,589.80

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Solution

The fourth proportional to 919,227.88, 1,268,387.94 and 556,589.80 is: 768,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,227.88 : 1,268,387.94 = 556,589.80 : x
  2. Step 2: Convert to fraction form
    919,227.88/1,268,387.94 = 556,589.80/x
  3. Step 3: Cross multiply
    919,227.88x = 1,268,387.94 × 556,589.80
  4. Step 4: Simplify right side
    919,227.88x = 705,971,789,847.01
  5. Step 5: Solve for x
    x = 705,971,789,847.01/919,227.88
  6. Step 6: Final answer
    x = 768,005.20

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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.