Home / 414,697.20-572,139.48-251,406.36

Finding the Fourth Proportional to 414,697.20, 572,139.48 and 251,406.36

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Solution

The fourth proportional to 414,697.20, 572,139.48 and 251,406.36 is: 346,854.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,697.20 : 572,139.48 = 251,406.36 : x
  2. Step 2: Convert to fraction form
    414,697.20/572,139.48 = 251,406.36/x
  3. Step 3: Cross multiply
    414,697.20x = 572,139.48 × 251,406.36
  4. Step 4: Simplify right side
    414,697.20x = 143,839,504,079.09
  5. Step 5: Solve for x
    x = 143,839,504,079.09/414,697.20
  6. Step 6: Final answer
    x = 346,854.29

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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.