Home / 1,227,969.33-1,838,553.21-627,637.83

Finding the Fourth Proportional to 1,227,969.33, 1,838,553.21 and 627,637.83

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Solution

The fourth proportional to 1,227,969.33, 1,838,553.21 and 627,637.83 is: 939,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,969.33 : 1,838,553.21 = 627,637.83 : x
  2. Step 2: Convert to fraction form
    1,227,969.33/1,838,553.21 = 627,637.83/x
  3. Step 3: Cross multiply
    1,227,969.33x = 1,838,553.21 × 627,637.83
  4. Step 4: Simplify right side
    1,227,969.33x = 1,153,945,547,063.93
  5. Step 5: Solve for x
    x = 1,153,945,547,063.93/1,227,969.33
  6. Step 6: Final answer
    x = 939,718.54

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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.