Home / 1,277,356.33-1,916,182.73-424,504.09

Finding the Fourth Proportional to 1,277,356.33, 1,916,182.73 and 424,504.09

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Solution

The fourth proportional to 1,277,356.33, 1,916,182.73 and 424,504.09 is: 636,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,356.33 : 1,916,182.73 = 424,504.09 : x
  2. Step 2: Convert to fraction form
    1,277,356.33/1,916,182.73 = 424,504.09/x
  3. Step 3: Cross multiply
    1,277,356.33x = 1,916,182.73 × 424,504.09
  4. Step 4: Simplify right side
    1,277,356.33x = 813,427,406,072.37
  5. Step 5: Solve for x
    x = 813,427,406,072.37/1,277,356.33
  6. Step 6: Final answer
    x = 636,805.40

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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.