Home / 414,305.96-571,786.09-253,255.28

Finding the Fourth Proportional to 414,305.96, 571,786.09 and 253,255.28

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Solution

The fourth proportional to 414,305.96, 571,786.09 and 253,255.28 is: 349,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,305.96 : 571,786.09 = 253,255.28 : x
  2. Step 2: Convert to fraction form
    414,305.96/571,786.09 = 253,255.28/x
  3. Step 3: Cross multiply
    414,305.96x = 571,786.09 × 253,255.28
  4. Step 4: Simplify right side
    414,305.96x = 144,807,842,830.99
  5. Step 5: Solve for x
    x = 144,807,842,830.99/414,305.96
  6. Step 6: Final answer
    x = 349,519.10

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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.