Home / 421,051.26-581,050.89-227,459.04

Finding the Fourth Proportional to 421,051.26, 581,050.89 and 227,459.04

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Solution

The fourth proportional to 421,051.26, 581,050.89 and 227,459.04 is: 313,893.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,051.26 : 581,050.89 = 227,459.04 : x
  2. Step 2: Convert to fraction form
    421,051.26/581,050.89 = 227,459.04/x
  3. Step 3: Cross multiply
    421,051.26x = 581,050.89 × 227,459.04
  4. Step 4: Simplify right side
    421,051.26x = 132,165,277,630.55
  5. Step 5: Solve for x
    x = 132,165,277,630.55/421,051.26
  6. Step 6: Final answer
    x = 313,893.56

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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.