Home / 1,098,837.96-1,648,819.49-523,112.78

Finding the Fourth Proportional to 1,098,837.96, 1,648,819.49 and 523,112.78

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Solution

The fourth proportional to 1,098,837.96, 1,648,819.49 and 523,112.78 is: 784,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,837.96 : 1,648,819.49 = 523,112.78 : x
  2. Step 2: Convert to fraction form
    1,098,837.96/1,648,819.49 = 523,112.78/x
  3. Step 3: Cross multiply
    1,098,837.96x = 1,648,819.49 × 523,112.78
  4. Step 4: Simplify right side
    1,098,837.96x = 862,518,536,272.42
  5. Step 5: Solve for x
    x = 862,518,536,272.42/1,098,837.96
  6. Step 6: Final answer
    x = 784,936.97

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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.