Home / 338,598.28-507,923.34-113,959.36

Finding the Fourth Proportional to 338,598.28, 507,923.34 and 113,959.36

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Solution

The fourth proportional to 338,598.28, 507,923.34 and 113,959.36 is: 170,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,598.28 : 507,923.34 = 113,959.36 : x
  2. Step 2: Convert to fraction form
    338,598.28/507,923.34 = 113,959.36/x
  3. Step 3: Cross multiply
    338,598.28x = 507,923.34 × 113,959.36
  4. Step 4: Simplify right side
    338,598.28x = 57,882,618,755.46
  5. Step 5: Solve for x
    x = 57,882,618,755.46/338,598.28
  6. Step 6: Final answer
    x = 170,947.76

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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.