Home / 1,356,024.92-1,871,190.66-804,645.60

Finding the Fourth Proportional to 1,356,024.92, 1,871,190.66 and 804,645.60

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Solution

The fourth proportional to 1,356,024.92, 1,871,190.66 and 804,645.60 is: 1,110,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,024.92 : 1,871,190.66 = 804,645.60 : x
  2. Step 2: Convert to fraction form
    1,356,024.92/1,871,190.66 = 804,645.60/x
  3. Step 3: Cross multiply
    1,356,024.92x = 1,871,190.66 × 804,645.60
  4. Step 4: Simplify right side
    1,356,024.92x = 1,505,645,327,330.55
  5. Step 5: Solve for x
    x = 1,505,645,327,330.55/1,356,024.92
  6. Step 6: Final answer
    x = 1,110,337.51

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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.