Home / 1,143,915.62-1,714,813.92-423,856.11

Finding the Fourth Proportional to 1,143,915.62, 1,714,813.92 and 423,856.11

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Solution

The fourth proportional to 1,143,915.62, 1,714,813.92 and 423,856.11 is: 635,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,915.62 : 1,714,813.92 = 423,856.11 : x
  2. Step 2: Convert to fraction form
    1,143,915.62/1,714,813.92 = 423,856.11/x
  3. Step 3: Cross multiply
    1,143,915.62x = 1,714,813.92 × 423,856.11
  4. Step 4: Simplify right side
    1,143,915.62x = 726,834,357,505.05
  5. Step 5: Solve for x
    x = 726,834,357,505.05/1,143,915.62
  6. Step 6: Final answer
    x = 635,391.59

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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.