Home / 1,277,945.16-1,916,198.46-424,559.94

Finding the Fourth Proportional to 1,277,945.16, 1,916,198.46 and 424,559.94

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Solution

The fourth proportional to 1,277,945.16, 1,916,198.46 and 424,559.94 is: 636,600.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,945.16 : 1,916,198.46 = 424,559.94 : x
  2. Step 2: Convert to fraction form
    1,277,945.16/1,916,198.46 = 424,559.94/x
  3. Step 3: Cross multiply
    1,277,945.16x = 1,916,198.46 × 424,559.94
  4. Step 4: Simplify right side
    1,277,945.16x = 813,541,103,205.69
  5. Step 5: Solve for x
    x = 813,541,103,205.69/1,277,945.16
  6. Step 6: Final answer
    x = 636,600.95

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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.