Home / 1,374,451.34-1,896,970.39-762,800.56

Finding the Fourth Proportional to 1,374,451.34, 1,896,970.39 and 762,800.56

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Solution

The fourth proportional to 1,374,451.34, 1,896,970.39 and 762,800.56 is: 1,052,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,451.34 : 1,896,970.39 = 762,800.56 : x
  2. Step 2: Convert to fraction form
    1,374,451.34/1,896,970.39 = 762,800.56/x
  3. Step 3: Cross multiply
    1,374,451.34x = 1,896,970.39 × 762,800.56
  4. Step 4: Simplify right side
    1,374,451.34x = 1,447,010,069,145.99
  5. Step 5: Solve for x
    x = 1,447,010,069,145.99/1,374,451.34
  6. Step 6: Final answer
    x = 1,052,791.05

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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.