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Finding the Fourth Proportional to 1,356,201, 1,871,644.86 and 752,589

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Solution

The fourth proportional to 1,356,201, 1,871,644.86 and 752,589 is: 1,038,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,201 : 1,871,644.86 = 752,589 : x
  2. Step 2: Convert to fraction form
    1,356,201/1,871,644.86 = 752,589/x
  3. Step 3: Cross multiply
    1,356,201x = 1,871,644.86 × 752,589
  4. Step 4: Simplify right side
    1,356,201x = 1,408,579,333,542.54
  5. Step 5: Solve for x
    x = 1,408,579,333,542.54/1,356,201
  6. Step 6: Final answer
    x = 1,038,621.36

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Why These Related Problems?

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