Home / 1,355,918.82-1,871,162.70-744,081.78

Finding the Fourth Proportional to 1,355,918.82, 1,871,162.70 and 744,081.78

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Solution

The fourth proportional to 1,355,918.82, 1,871,162.70 and 744,081.78 is: 1,026,829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,918.82 : 1,871,162.70 = 744,081.78 : x
  2. Step 2: Convert to fraction form
    1,355,918.82/1,871,162.70 = 744,081.78/x
  3. Step 3: Cross multiply
    1,355,918.82x = 1,871,162.70 × 744,081.78
  4. Step 4: Simplify right side
    1,355,918.82x = 1,392,298,072,485.61
  5. Step 5: Solve for x
    x = 1,392,298,072,485.61/1,355,918.82
  6. Step 6: Final answer
    x = 1,026,829.96

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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.