Home / 1,179,636.48-1,627,878.69-656,326.89

Finding the Fourth Proportional to 1,179,636.48, 1,627,878.69 and 656,326.89

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Solution

The fourth proportional to 1,179,636.48, 1,627,878.69 and 656,326.89 is: 905,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,636.48 : 1,627,878.69 = 656,326.89 : x
  2. Step 2: Convert to fraction form
    1,179,636.48/1,627,878.69 = 656,326.89/x
  3. Step 3: Cross multiply
    1,179,636.48x = 1,627,878.69 × 656,326.89
  4. Step 4: Simplify right side
    1,179,636.48x = 1,068,420,557,904.97
  5. Step 5: Solve for x
    x = 1,068,420,557,904.97/1,179,636.48
  6. Step 6: Final answer
    x = 905,720.17

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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.