Home / 1,425,963.61-2,138,922.46-346,484.71

Finding the Fourth Proportional to 1,425,963.61, 2,138,922.46 and 346,484.71

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Solution

The fourth proportional to 1,425,963.61, 2,138,922.46 and 346,484.71 is: 519,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,963.61 : 2,138,922.46 = 346,484.71 : x
  2. Step 2: Convert to fraction form
    1,425,963.61/2,138,922.46 = 346,484.71/x
  3. Step 3: Cross multiply
    1,425,963.61x = 2,138,922.46 × 346,484.71
  4. Step 4: Simplify right side
    1,425,963.61x = 741,103,923,351.39
  5. Step 5: Solve for x
    x = 741,103,923,351.39/1,425,963.61
  6. Step 6: Final answer
    x = 519,721.48

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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.