Home / 401,299.45-553,797.74-229,240.19

Finding the Fourth Proportional to 401,299.45, 553,797.74 and 229,240.19

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Solution

The fourth proportional to 401,299.45, 553,797.74 and 229,240.19 is: 316,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,299.45 : 553,797.74 = 229,240.19 : x
  2. Step 2: Convert to fraction form
    401,299.45/553,797.74 = 229,240.19/x
  3. Step 3: Cross multiply
    401,299.45x = 553,797.74 × 229,240.19
  4. Step 4: Simplify right side
    401,299.45x = 126,952,701,096.77
  5. Step 5: Solve for x
    x = 126,952,701,096.77/401,299.45
  6. Step 6: Final answer
    x = 316,354.04

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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.