Home / 338,799.24-507,521.27-203,788.74

Finding the Fourth Proportional to 338,799.24, 507,521.27 and 203,788.74

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Solution

The fourth proportional to 338,799.24, 507,521.27 and 203,788.74 is: 305,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,799.24 : 507,521.27 = 203,788.74 : x
  2. Step 2: Convert to fraction form
    338,799.24/507,521.27 = 203,788.74/x
  3. Step 3: Cross multiply
    338,799.24x = 507,521.27 × 203,788.74
  4. Step 4: Simplify right side
    338,799.24x = 103,427,121,020.76
  5. Step 5: Solve for x
    x = 103,427,121,020.76/338,799.24
  6. Step 6: Final answer
    x = 305,275.54

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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.