Home / 1,356,037.56-1,871,195.44-812,159

Finding the Fourth Proportional to 1,356,037.56, 1,871,195.44 and 812,159

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Solution

The fourth proportional to 1,356,037.56, 1,871,195.44 and 812,159 is: 1,120,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,037.56 : 1,871,195.44 = 812,159 : x
  2. Step 2: Convert to fraction form
    1,356,037.56/1,871,195.44 = 812,159/x
  3. Step 3: Cross multiply
    1,356,037.56x = 1,871,195.44 × 812,159
  4. Step 4: Simplify right side
    1,356,037.56x = 1,519,708,217,354.96
  5. Step 5: Solve for x
    x = 1,519,708,217,354.96/1,356,037.56
  6. Step 6: Final answer
    x = 1,120,697.73

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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.