Home / 1,203,149.05-1,660,317.03-659,258.55

Finding the Fourth Proportional to 1,203,149.05, 1,660,317.03 and 659,258.55

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Solution

The fourth proportional to 1,203,149.05, 1,660,317.03 and 659,258.55 is: 909,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,149.05 : 1,660,317.03 = 659,258.55 : x
  2. Step 2: Convert to fraction form
    1,203,149.05/1,660,317.03 = 659,258.55/x
  3. Step 3: Cross multiply
    1,203,149.05x = 1,660,317.03 × 659,258.55
  4. Step 4: Simplify right side
    1,203,149.05x = 1,094,578,197,738.11
  5. Step 5: Solve for x
    x = 1,094,578,197,738.11/1,203,149.05
  6. Step 6: Final answer
    x = 909,761.10

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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.