Home / 465,019.68-641,748.24-274,041.12

Finding the Fourth Proportional to 465,019.68, 641,748.24 and 274,041.12

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Solution

The fourth proportional to 465,019.68, 641,748.24 and 274,041.12 is: 378,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,019.68 : 641,748.24 = 274,041.12 : x
  2. Step 2: Convert to fraction form
    465,019.68/641,748.24 = 274,041.12/x
  3. Step 3: Cross multiply
    465,019.68x = 641,748.24 × 274,041.12
  4. Step 4: Simplify right side
    465,019.68x = 175,865,406,447.63
  5. Step 5: Solve for x
    x = 175,865,406,447.63/465,019.68
  6. Step 6: Final answer
    x = 378,189.17

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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.