Home / 417,763.12-576,513.52-226,776.40

Finding the Fourth Proportional to 417,763.12, 576,513.52 and 226,776.40

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Solution

The fourth proportional to 417,763.12, 576,513.52 and 226,776.40 is: 312,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,763.12 : 576,513.52 = 226,776.40 : x
  2. Step 2: Convert to fraction form
    417,763.12/576,513.52 = 226,776.40/x
  3. Step 3: Cross multiply
    417,763.12x = 576,513.52 × 226,776.40
  4. Step 4: Simplify right side
    417,763.12x = 130,739,660,616.93
  5. Step 5: Solve for x
    x = 130,739,660,616.93/417,763.12
  6. Step 6: Final answer
    x = 312,951.66

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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.