Home / 414,384.28-621,581.02-114,867.44

Finding the Fourth Proportional to 414,384.28, 621,581.02 and 114,867.44

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Solution

The fourth proportional to 414,384.28, 621,581.02 and 114,867.44 is: 172,302.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,384.28 : 621,581.02 = 114,867.44 : x
  2. Step 2: Convert to fraction form
    414,384.28/621,581.02 = 114,867.44/x
  3. Step 3: Cross multiply
    414,384.28x = 621,581.02 × 114,867.44
  4. Step 4: Simplify right side
    414,384.28x = 71,399,420,519.99
  5. Step 5: Solve for x
    x = 71,399,420,519.99/414,384.28
  6. Step 6: Final answer
    x = 172,302.44

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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.