Home / 677,932.54-1,016,500.11-257,237.98

Finding the Fourth Proportional to 677,932.54, 1,016,500.11 and 257,237.98

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Solution

The fourth proportional to 677,932.54, 1,016,500.11 and 257,237.98 is: 385,705.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,932.54 : 1,016,500.11 = 257,237.98 : x
  2. Step 2: Convert to fraction form
    677,932.54/1,016,500.11 = 257,237.98/x
  3. Step 3: Cross multiply
    677,932.54x = 1,016,500.11 × 257,237.98
  4. Step 4: Simplify right side
    677,932.54x = 261,482,434,966.18
  5. Step 5: Solve for x
    x = 261,482,434,966.18/677,932.54
  6. Step 6: Final answer
    x = 385,705.69

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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.