Home / 1,328,241.84-1,832,919.42-784,553.64

Finding the Fourth Proportional to 1,328,241.84, 1,832,919.42 and 784,553.64

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Solution

The fourth proportional to 1,328,241.84, 1,832,919.42 and 784,553.64 is: 1,082,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,241.84 : 1,832,919.42 = 784,553.64 : x
  2. Step 2: Convert to fraction form
    1,328,241.84/1,832,919.42 = 784,553.64/x
  3. Step 3: Cross multiply
    1,328,241.84x = 1,832,919.42 × 784,553.64
  4. Step 4: Simplify right side
    1,328,241.84x = 1,438,023,602,787.69
  5. Step 5: Solve for x
    x = 1,438,023,602,787.69/1,328,241.84
  6. Step 6: Final answer
    x = 1,082,651.94

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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.