Home / 758,118.69-1,137,448.78-325,654.46

Finding the Fourth Proportional to 758,118.69, 1,137,448.78 and 325,654.46

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Solution

The fourth proportional to 758,118.69, 1,137,448.78 and 325,654.46 is: 488,597.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,118.69 : 1,137,448.78 = 325,654.46 : x
  2. Step 2: Convert to fraction form
    758,118.69/1,137,448.78 = 325,654.46/x
  3. Step 3: Cross multiply
    758,118.69x = 1,137,448.78 × 325,654.46
  4. Step 4: Simplify right side
    758,118.69x = 370,415,265,992.61
  5. Step 5: Solve for x
    x = 370,415,265,992.61/758,118.69
  6. Step 6: Final answer
    x = 488,597.99

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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.