Home / 1,369,117.92-2,053,950.64-422,453.04

Finding the Fourth Proportional to 1,369,117.92, 2,053,950.64 and 422,453.04

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Solution

The fourth proportional to 1,369,117.92, 2,053,950.64 and 422,453.04 is: 633,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,117.92 : 2,053,950.64 = 422,453.04 : x
  2. Step 2: Convert to fraction form
    1,369,117.92/2,053,950.64 = 422,453.04/x
  3. Step 3: Cross multiply
    1,369,117.92x = 2,053,950.64 × 422,453.04
  4. Step 4: Simplify right side
    1,369,117.92x = 867,697,691,877.95
  5. Step 5: Solve for x
    x = 867,697,691,877.95/1,369,117.92
  6. Step 6: Final answer
    x = 633,764.03

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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.