Home / 541,226.32-811,822.68-257,121.32

Finding the Fourth Proportional to 541,226.32, 811,822.68 and 257,121.32

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Solution

The fourth proportional to 541,226.32, 811,822.68 and 257,121.32 is: 385,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,226.32 : 811,822.68 = 257,121.32 : x
  2. Step 2: Convert to fraction form
    541,226.32/811,822.68 = 257,121.32/x
  3. Step 3: Cross multiply
    541,226.32x = 811,822.68 × 257,121.32
  4. Step 4: Simplify right side
    541,226.32x = 208,736,919,087.54
  5. Step 5: Solve for x
    x = 208,736,919,087.54/541,226.32
  6. Step 6: Final answer
    x = 385,674.00

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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.