Home / 1,571,856.75-2,169,162.34-856,464.75

Finding the Fourth Proportional to 1,571,856.75, 2,169,162.34 and 856,464.75

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Solution

The fourth proportional to 1,571,856.75, 2,169,162.34 and 856,464.75 is: 1,181,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,856.75 : 2,169,162.34 = 856,464.75 : x
  2. Step 2: Convert to fraction form
    1,571,856.75/2,169,162.34 = 856,464.75/x
  3. Step 3: Cross multiply
    1,571,856.75x = 2,169,162.34 × 856,464.75
  4. Step 4: Simplify right side
    1,571,856.75x = 1,857,811,079,096.35
  5. Step 5: Solve for x
    x = 1,857,811,079,096.35/1,571,856.75
  6. Step 6: Final answer
    x = 1,181,921.37

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1.5x scale

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.