Home / 448,971.22-619,583.97-245,023.78

Finding the Fourth Proportional to 448,971.22, 619,583.97 and 245,023.78

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Solution

The fourth proportional to 448,971.22, 619,583.97 and 245,023.78 is: 338,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,971.22 : 619,583.97 = 245,023.78 : x
  2. Step 2: Convert to fraction form
    448,971.22/619,583.97 = 245,023.78/x
  3. Step 3: Cross multiply
    448,971.22x = 619,583.97 × 245,023.78
  4. Step 4: Simplify right side
    448,971.22x = 151,812,806,356.81
  5. Step 5: Solve for x
    x = 151,812,806,356.81/448,971.22
  6. Step 6: Final answer
    x = 338,134.83

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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.