Home / 935,629.11-1,403,553.42-328,231.71

Finding the Fourth Proportional to 935,629.11, 1,403,553.42 and 328,231.71

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Solution

The fourth proportional to 935,629.11, 1,403,553.42 and 328,231.71 is: 492,386.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,629.11 : 1,403,553.42 = 328,231.71 : x
  2. Step 2: Convert to fraction form
    935,629.11/1,403,553.42 = 328,231.71/x
  3. Step 3: Cross multiply
    935,629.11x = 1,403,553.42 × 328,231.71
  4. Step 4: Simplify right side
    935,629.11x = 460,690,739,122.95
  5. Step 5: Solve for x
    x = 460,690,739,122.95/935,629.11
  6. Step 6: Final answer
    x = 492,386.07

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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.