Home / 1,238,228.36-1,857,348-339,680.27

Finding the Fourth Proportional to 1,238,228.36, 1,857,348 and 339,680.27

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Solution

The fourth proportional to 1,238,228.36, 1,857,348 and 339,680.27 is: 509,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,228.36 : 1,857,348 = 339,680.27 : x
  2. Step 2: Convert to fraction form
    1,238,228.36/1,857,348 = 339,680.27/x
  3. Step 3: Cross multiply
    1,238,228.36x = 1,857,348 × 339,680.27
  4. Step 4: Simplify right side
    1,238,228.36x = 630,904,465,480.59
  5. Step 5: Solve for x
    x = 630,904,465,480.59/1,238,228.36
  6. Step 6: Final answer
    x = 509,521.90

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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.