Home / 871,805.32-1,203,628.08-691,246.60

Finding the Fourth Proportional to 871,805.32, 1,203,628.08 and 691,246.60

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Solution

The fourth proportional to 871,805.32, 1,203,628.08 and 691,246.60 is: 954,345.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,805.32 : 1,203,628.08 = 691,246.60 : x
  2. Step 2: Convert to fraction form
    871,805.32/1,203,628.08 = 691,246.60/x
  3. Step 3: Cross multiply
    871,805.32x = 1,203,628.08 × 691,246.60
  4. Step 4: Simplify right side
    871,805.32x = 832,003,817,964.53
  5. Step 5: Solve for x
    x = 832,003,817,964.53/871,805.32
  6. Step 6: Final answer
    x = 954,345.88

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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.