Home / 660,943.77-991,416.21-181,176.79

Finding the Fourth Proportional to 660,943.77, 991,416.21 and 181,176.79

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Solution

The fourth proportional to 660,943.77, 991,416.21 and 181,176.79 is: 271,765.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,943.77 : 991,416.21 = 181,176.79 : x
  2. Step 2: Convert to fraction form
    660,943.77/991,416.21 = 181,176.79/x
  3. Step 3: Cross multiply
    660,943.77x = 991,416.21 × 181,176.79
  4. Step 4: Simplify right side
    660,943.77x = 179,621,606,481.77
  5. Step 5: Solve for x
    x = 179,621,606,481.77/660,943.77
  6. Step 6: Final answer
    x = 271,765.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.