Home / 677,230.49-1,016,014.86-477,940.11

Finding the Fourth Proportional to 677,230.49, 1,016,014.86 and 477,940.11

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Solution

The fourth proportional to 677,230.49, 1,016,014.86 and 477,940.11 is: 717,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,230.49 : 1,016,014.86 = 477,940.11 : x
  2. Step 2: Convert to fraction form
    677,230.49/1,016,014.86 = 477,940.11/x
  3. Step 3: Cross multiply
    677,230.49x = 1,016,014.86 × 477,940.11
  4. Step 4: Simplify right side
    677,230.49x = 485,594,255,855.06
  5. Step 5: Solve for x
    x = 485,594,255,855.06/677,230.49
  6. Step 6: Final answer
    x = 717,029.53

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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.