Home / 691,471.37-954,160.61-385,519.02

Finding the Fourth Proportional to 691,471.37, 954,160.61 and 385,519.02

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Solution

The fourth proportional to 691,471.37, 954,160.61 and 385,519.02 is: 531,977.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,471.37 : 954,160.61 = 385,519.02 : x
  2. Step 2: Convert to fraction form
    691,471.37/954,160.61 = 385,519.02/x
  3. Step 3: Cross multiply
    691,471.37x = 954,160.61 × 385,519.02
  4. Step 4: Simplify right side
    691,471.37x = 367,847,061,362.21
  5. Step 5: Solve for x
    x = 367,847,061,362.21/691,471.37
  6. Step 6: Final answer
    x = 531,977.29

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1.5x scale

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.