Home / 448,601.20-619,083.48-257,652.88

Finding the Fourth Proportional to 448,601.20, 619,083.48 and 257,652.88

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Solution

The fourth proportional to 448,601.20, 619,083.48 and 257,652.88 is: 355,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,601.20 : 619,083.48 = 257,652.88 : x
  2. Step 2: Convert to fraction form
    448,601.20/619,083.48 = 257,652.88/x
  3. Step 3: Cross multiply
    448,601.20x = 619,083.48 × 257,652.88
  4. Step 4: Simplify right side
    448,601.20x = 159,508,641,582.42
  5. Step 5: Solve for x
    x = 159,508,641,582.42/448,601.20
  6. Step 6: Final answer
    x = 355,568.91

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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.