Home / 1,191,993.17-1,644,971.09-648,132.62

Finding the Fourth Proportional to 1,191,993.17, 1,644,971.09 and 648,132.62

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Solution

The fourth proportional to 1,191,993.17, 1,644,971.09 and 648,132.62 is: 894,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,993.17 : 1,644,971.09 = 648,132.62 : x
  2. Step 2: Convert to fraction form
    1,191,993.17/1,644,971.09 = 648,132.62/x
  3. Step 3: Cross multiply
    1,191,993.17x = 1,644,971.09 × 648,132.62
  4. Step 4: Simplify right side
    1,191,993.17x = 1,066,159,410,920.44
  5. Step 5: Solve for x
    x = 1,066,159,410,920.44/1,191,993.17
  6. Step 6: Final answer
    x = 894,434.16

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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.