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Finding the Fourth Proportional to 1,401,822.78, 1,934,513.91 and 757,242.84

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Solution

The fourth proportional to 1,401,822.78, 1,934,513.91 and 757,242.84 is: 1,044,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,822.78 : 1,934,513.91 = 757,242.84 : x
  2. Step 2: Convert to fraction form
    1,401,822.78/1,934,513.91 = 757,242.84/x
  3. Step 3: Cross multiply
    1,401,822.78x = 1,934,513.91 × 757,242.84
  4. Step 4: Simplify right side
    1,401,822.78x = 1,464,896,807,227.90
  5. Step 5: Solve for x
    x = 1,464,896,807,227.90/1,401,822.78
  6. Step 6: Final answer
    x = 1,044,994.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.