Home / 414,385.30-571,843.27-242,405.09

Finding the Fourth Proportional to 414,385.30, 571,843.27 and 242,405.09

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Solution

The fourth proportional to 414,385.30, 571,843.27 and 242,405.09 is: 334,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,385.30 : 571,843.27 = 242,405.09 : x
  2. Step 2: Convert to fraction form
    414,385.30/571,843.27 = 242,405.09/x
  3. Step 3: Cross multiply
    414,385.30x = 571,843.27 × 242,405.09
  4. Step 4: Simplify right side
    414,385.30x = 138,617,718,918.45
  5. Step 5: Solve for x
    x = 138,617,718,918.45/414,385.30
  6. Step 6: Final answer
    x = 334,514.08

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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.