Home / 465,380.61-697,425.07-212,041.95

Finding the Fourth Proportional to 465,380.61, 697,425.07 and 212,041.95

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Solution

The fourth proportional to 465,380.61, 697,425.07 and 212,041.95 is: 317,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,380.61 : 697,425.07 = 212,041.95 : x
  2. Step 2: Convert to fraction form
    465,380.61/697,425.07 = 212,041.95/x
  3. Step 3: Cross multiply
    465,380.61x = 697,425.07 × 212,041.95
  4. Step 4: Simplify right side
    465,380.61x = 147,883,373,891.38
  5. Step 5: Solve for x
    x = 147,883,373,891.38/465,380.61
  6. Step 6: Final answer
    x = 317,768.66

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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.