Home / 1,521,240.17-2,099,231.53-832,780.10

Finding the Fourth Proportional to 1,521,240.17, 2,099,231.53 and 832,780.10

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Solution

The fourth proportional to 1,521,240.17, 2,099,231.53 and 832,780.10 is: 1,149,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,240.17 : 2,099,231.53 = 832,780.10 : x
  2. Step 2: Convert to fraction form
    1,521,240.17/2,099,231.53 = 832,780.10/x
  3. Step 3: Cross multiply
    1,521,240.17x = 2,099,231.53 × 832,780.10
  4. Step 4: Simplify right side
    1,521,240.17x = 1,748,198,230,898.44
  5. Step 5: Solve for x
    x = 1,748,198,230,898.44/1,521,240.17
  6. Step 6: Final answer
    x = 1,149,192.79

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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.