Home / 465,312.14-641,967.20-304,261.46

Finding the Fourth Proportional to 465,312.14, 641,967.20 and 304,261.46

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Solution

The fourth proportional to 465,312.14, 641,967.20 and 304,261.46 is: 419,773.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,312.14 : 641,967.20 = 304,261.46 : x
  2. Step 2: Convert to fraction form
    465,312.14/641,967.20 = 304,261.46/x
  3. Step 3: Cross multiply
    465,312.14x = 641,967.20 × 304,261.46
  4. Step 4: Simplify right side
    465,312.14x = 195,325,877,544.11
  5. Step 5: Solve for x
    x = 195,325,877,544.11/465,312.14
  6. Step 6: Final answer
    x = 419,773.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.