Home / 401,091.04-553,520.88-229,037.04

Finding the Fourth Proportional to 401,091.04, 553,520.88 and 229,037.04

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Solution

The fourth proportional to 401,091.04, 553,520.88 and 229,037.04 is: 316,079.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,091.04 : 553,520.88 = 229,037.04 : x
  2. Step 2: Convert to fraction form
    401,091.04/553,520.88 = 229,037.04/x
  3. Step 3: Cross multiply
    401,091.04x = 553,520.88 × 229,037.04
  4. Step 4: Simplify right side
    401,091.04x = 126,776,783,933.40
  5. Step 5: Solve for x
    x = 126,776,783,933.40/401,091.04
  6. Step 6: Final answer
    x = 316,079.82

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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.