Home / 408,421.27-563,538.63-238,622.59

Finding the Fourth Proportional to 408,421.27, 563,538.63 and 238,622.59

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Solution

The fourth proportional to 408,421.27, 563,538.63 and 238,622.59 is: 329,250.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,421.27 : 563,538.63 = 238,622.59 : x
  2. Step 2: Convert to fraction form
    408,421.27/563,538.63 = 238,622.59/x
  3. Step 3: Cross multiply
    408,421.27x = 563,538.63 × 238,622.59
  4. Step 4: Simplify right side
    408,421.27x = 134,473,047,455.65
  5. Step 5: Solve for x
    x = 134,473,047,455.65/408,421.27
  6. Step 6: Final answer
    x = 329,250.84

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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.