Home / 1,521,963.83-2,100,234.88-833,638.69

Finding the Fourth Proportional to 1,521,963.83, 2,100,234.88 and 833,638.69

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Solution

The fourth proportional to 1,521,963.83, 2,100,234.88 and 833,638.69 is: 1,150,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,963.83 : 2,100,234.88 = 833,638.69 : x
  2. Step 2: Convert to fraction form
    1,521,963.83/2,100,234.88 = 833,638.69/x
  3. Step 3: Cross multiply
    1,521,963.83x = 2,100,234.88 × 833,638.69
  4. Step 4: Simplify right side
    1,521,963.83x = 1,750,837,046,720.82
  5. Step 5: Solve for x
    x = 1,750,837,046,720.82/1,521,963.83
  6. Step 6: Final answer
    x = 1,150,380.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.