Home / 447,815.97-618,029.69-334,441.89

Finding the Fourth Proportional to 447,815.97, 618,029.69 and 334,441.89

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Solution

The fourth proportional to 447,815.97, 618,029.69 and 334,441.89 is: 461,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,815.97 : 618,029.69 = 334,441.89 : x
  2. Step 2: Convert to fraction form
    447,815.97/618,029.69 = 334,441.89/x
  3. Step 3: Cross multiply
    447,815.97x = 618,029.69 × 334,441.89
  4. Step 4: Simplify right side
    447,815.97x = 206,695,015,927.51
  5. Step 5: Solve for x
    x = 206,695,015,927.51/447,815.97
  6. Step 6: Final answer
    x = 461,562.40

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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.