Home / 677,934.54-1,016,503.11-257,239.98

Finding the Fourth Proportional to 677,934.54, 1,016,503.11 and 257,239.98

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Solution

The fourth proportional to 677,934.54, 1,016,503.11 and 257,239.98 is: 385,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,934.54 : 1,016,503.11 = 257,239.98 : x
  2. Step 2: Convert to fraction form
    677,934.54/1,016,503.11 = 257,239.98/x
  3. Step 3: Cross multiply
    677,934.54x = 1,016,503.11 × 257,239.98
  4. Step 4: Simplify right side
    677,934.54x = 261,485,239,686.34
  5. Step 5: Solve for x
    x = 261,485,239,686.34/677,934.54
  6. Step 6: Final answer
    x = 385,708.68

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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.