Home / 1,374,051.62-1,896,418.08-762,401.18

Finding the Fourth Proportional to 1,374,051.62, 1,896,418.08 and 762,401.18

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Solution

The fourth proportional to 1,374,051.62, 1,896,418.08 and 762,401.18 is: 1,052,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,051.62 : 1,896,418.08 = 762,401.18 : x
  2. Step 2: Convert to fraction form
    1,374,051.62/1,896,418.08 = 762,401.18/x
  3. Step 3: Cross multiply
    1,374,051.62x = 1,896,418.08 × 762,401.18
  4. Step 4: Simplify right side
    1,374,051.62x = 1,445,831,381,965.33
  5. Step 5: Solve for x
    x = 1,445,831,381,965.33/1,374,051.62
  6. Step 6: Final answer
    x = 1,052,239.49

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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.