Home / 401,223.97-553,706.04-229,170.25

Finding the Fourth Proportional to 401,223.97, 553,706.04 and 229,170.25

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Solution

The fourth proportional to 401,223.97, 553,706.04 and 229,170.25 is: 316,264.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,223.97 : 553,706.04 = 229,170.25 : x
  2. Step 2: Convert to fraction form
    401,223.97/553,706.04 = 229,170.25/x
  3. Step 3: Cross multiply
    401,223.97x = 553,706.04 × 229,170.25
  4. Step 4: Simplify right side
    401,223.97x = 126,892,951,613.31
  5. Step 5: Solve for x
    x = 126,892,951,613.31/401,223.97
  6. Step 6: Final answer
    x = 316,264.63

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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.