Home / 697,487.42-1,046,270.09-217,781.46

Finding the Fourth Proportional to 697,487.42, 1,046,270.09 and 217,781.46

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Solution

The fourth proportional to 697,487.42, 1,046,270.09 and 217,781.46 is: 326,684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,487.42 : 1,046,270.09 = 217,781.46 : x
  2. Step 2: Convert to fraction form
    697,487.42/1,046,270.09 = 217,781.46/x
  3. Step 3: Cross multiply
    697,487.42x = 1,046,270.09 × 217,781.46
  4. Step 4: Simplify right side
    697,487.42x = 227,858,226,665.62
  5. Step 5: Solve for x
    x = 227,858,226,665.62/697,487.42
  6. Step 6: Final answer
    x = 326,684.36

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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.