Home / 417,976.30-576,983.82-282,194.14

Finding the Fourth Proportional to 417,976.30, 576,983.82 and 282,194.14

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Solution

The fourth proportional to 417,976.30, 576,983.82 and 282,194.14 is: 389,547.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,976.30 : 576,983.82 = 282,194.14 : x
  2. Step 2: Convert to fraction form
    417,976.30/576,983.82 = 282,194.14/x
  3. Step 3: Cross multiply
    417,976.30x = 576,983.82 × 282,194.14
  4. Step 4: Simplify right side
    417,976.30x = 162,821,452,878.82
  5. Step 5: Solve for x
    x = 162,821,452,878.82/417,976.30
  6. Step 6: Final answer
    x = 389,547.09

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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.