Home / 621,129.84-931,936.68-247,190.64

Finding the Fourth Proportional to 621,129.84, 931,936.68 and 247,190.64

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Solution

The fourth proportional to 621,129.84, 931,936.68 and 247,190.64 is: 370,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,129.84 : 931,936.68 = 247,190.64 : x
  2. Step 2: Convert to fraction form
    621,129.84/931,936.68 = 247,190.64/x
  3. Step 3: Cross multiply
    621,129.84x = 931,936.68 × 247,190.64
  4. Step 4: Simplify right side
    621,129.84x = 230,366,024,368.68
  5. Step 5: Solve for x
    x = 230,366,024,368.68/621,129.84
  6. Step 6: Final answer
    x = 370,882.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.