Home / 1,181,258.56-1,630,052.27-664,985.77

Finding the Fourth Proportional to 1,181,258.56, 1,630,052.27 and 664,985.77

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Solution

The fourth proportional to 1,181,258.56, 1,630,052.27 and 664,985.77 is: 917,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,258.56 : 1,630,052.27 = 664,985.77 : x
  2. Step 2: Convert to fraction form
    1,181,258.56/1,630,052.27 = 664,985.77/x
  3. Step 3: Cross multiply
    1,181,258.56x = 1,630,052.27 × 664,985.77
  4. Step 4: Simplify right side
    1,181,258.56x = 1,083,961,560,581.27
  5. Step 5: Solve for x
    x = 1,083,961,560,581.27/1,181,258.56
  6. Step 6: Final answer
    x = 917,632.77

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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.