Home / 1,277,927.25-1,916,562.81-379,156.35

Finding the Fourth Proportional to 1,277,927.25, 1,916,562.81 and 379,156.35

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Solution

The fourth proportional to 1,277,927.25, 1,916,562.81 and 379,156.35 is: 568,637.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,927.25 : 1,916,562.81 = 379,156.35 : x
  2. Step 2: Convert to fraction form
    1,277,927.25/1,916,562.81 = 379,156.35/x
  3. Step 3: Cross multiply
    1,277,927.25x = 1,916,562.81 × 379,156.35
  4. Step 4: Simplify right side
    1,277,927.25x = 726,676,959,585.34
  5. Step 5: Solve for x
    x = 726,676,959,585.34/1,277,927.25
  6. Step 6: Final answer
    x = 568,637.19

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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.