Home / 1,109,888.28-1,664,764.11-683,505.36

Finding the Fourth Proportional to 1,109,888.28, 1,664,764.11 and 683,505.36

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Solution

The fourth proportional to 1,109,888.28, 1,664,764.11 and 683,505.36 is: 1,025,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,888.28 : 1,664,764.11 = 683,505.36 : x
  2. Step 2: Convert to fraction form
    1,109,888.28/1,664,764.11 = 683,505.36/x
  3. Step 3: Cross multiply
    1,109,888.28x = 1,664,764.11 × 683,505.36
  4. Step 4: Simplify right side
    1,109,888.28x = 1,137,875,192,320.63
  5. Step 5: Solve for x
    x = 1,137,875,192,320.63/1,109,888.28
  6. Step 6: Final answer
    x = 1,025,215.97

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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.