Home / 665,058.10-996,931.05-327,822.70

Finding the Fourth Proportional to 665,058.10, 996,931.05 and 327,822.70

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Solution

The fourth proportional to 665,058.10, 996,931.05 and 327,822.70 is: 491,410.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,058.10 : 996,931.05 = 327,822.70 : x
  2. Step 2: Convert to fraction form
    665,058.10/996,931.05 = 327,822.70/x
  3. Step 3: Cross multiply
    665,058.10x = 996,931.05 × 327,822.70
  4. Step 4: Simplify right side
    665,058.10x = 326,816,628,524.84
  5. Step 5: Solve for x
    x = 326,816,628,524.84/665,058.10
  6. Step 6: Final answer
    x = 491,410.64

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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.