Home / 1,198,355.27-1,653,721.40-654,491.30

Finding the Fourth Proportional to 1,198,355.27, 1,653,721.40 and 654,491.30

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Solution

The fourth proportional to 1,198,355.27, 1,653,721.40 and 654,491.30 is: 903,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,355.27 : 1,653,721.40 = 654,491.30 : x
  2. Step 2: Convert to fraction form
    1,198,355.27/1,653,721.40 = 654,491.30/x
  3. Step 3: Cross multiply
    1,198,355.27x = 1,653,721.40 × 654,491.30
  4. Step 4: Simplify right side
    1,198,355.27x = 1,082,346,268,923.82
  5. Step 5: Solve for x
    x = 1,082,346,268,923.82/1,198,355.27
  6. Step 6: Final answer
    x = 903,193.15

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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.