Home / 861,410.88-1,292,014.56-230,373.60

Finding the Fourth Proportional to 861,410.88, 1,292,014.56 and 230,373.60

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Solution

The fourth proportional to 861,410.88, 1,292,014.56 and 230,373.60 is: 345,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,410.88 : 1,292,014.56 = 230,373.60 : x
  2. Step 2: Convert to fraction form
    861,410.88/1,292,014.56 = 230,373.60/x
  3. Step 3: Cross multiply
    861,410.88x = 1,292,014.56 × 230,373.60
  4. Step 4: Simplify right side
    861,410.88x = 297,646,045,439.62
  5. Step 5: Solve for x
    x = 297,646,045,439.62/861,410.88
  6. Step 6: Final answer
    x = 345,533.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.