Home / 1,097,072.91-1,645,375.48-422,930.16

Finding the Fourth Proportional to 1,097,072.91, 1,645,375.48 and 422,930.16

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Solution

The fourth proportional to 1,097,072.91, 1,645,375.48 and 422,930.16 is: 634,305.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,072.91 : 1,645,375.48 = 422,930.16 : x
  2. Step 2: Convert to fraction form
    1,097,072.91/1,645,375.48 = 422,930.16/x
  3. Step 3: Cross multiply
    1,097,072.91x = 1,645,375.48 × 422,930.16
  4. Step 4: Simplify right side
    1,097,072.91x = 695,878,913,959.15
  5. Step 5: Solve for x
    x = 695,878,913,959.15/1,097,072.91
  6. Step 6: Final answer
    x = 634,305.07

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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.