Home / 401,254.45-553,770.74-229,198.13

Finding the Fourth Proportional to 401,254.45, 553,770.74 and 229,198.13

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Solution

The fourth proportional to 401,254.45, 553,770.74 and 229,198.13 is: 316,316.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,254.45 : 553,770.74 = 229,198.13 : x
  2. Step 2: Convert to fraction form
    401,254.45/553,770.74 = 229,198.13/x
  3. Step 3: Cross multiply
    401,254.45x = 553,770.74 × 229,198.13
  4. Step 4: Simplify right side
    401,254.45x = 126,923,218,056.72
  5. Step 5: Solve for x
    x = 126,923,218,056.72/401,254.45
  6. Step 6: Final answer
    x = 316,316.04

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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.