Home / 1,256,331.43-1,734,045.30-712,785.37

Finding the Fourth Proportional to 1,256,331.43, 1,734,045.30 and 712,785.37

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Solution

The fourth proportional to 1,256,331.43, 1,734,045.30 and 712,785.37 is: 983,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,331.43 : 1,734,045.30 = 712,785.37 : x
  2. Step 2: Convert to fraction form
    1,256,331.43/1,734,045.30 = 712,785.37/x
  3. Step 3: Cross multiply
    1,256,331.43x = 1,734,045.30 × 712,785.37
  4. Step 4: Simplify right side
    1,256,331.43x = 1,236,002,120,757.26
  5. Step 5: Solve for x
    x = 1,236,002,120,757.26/1,256,331.43
  6. Step 6: Final answer
    x = 983,818.51

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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.