Home / 901,618.96-1,242,722.44-719,747.92

Finding the Fourth Proportional to 901,618.96, 1,242,722.44 and 719,747.92

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Solution

The fourth proportional to 901,618.96, 1,242,722.44 and 719,747.92 is: 992,045.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,618.96 : 1,242,722.44 = 719,747.92 : x
  2. Step 2: Convert to fraction form
    901,618.96/1,242,722.44 = 719,747.92/x
  3. Step 3: Cross multiply
    901,618.96x = 1,242,722.44 × 719,747.92
  4. Step 4: Simplify right side
    901,618.96x = 894,446,891,327.33
  5. Step 5: Solve for x
    x = 894,446,891,327.33/901,618.96
  6. Step 6: Final answer
    x = 992,045.34

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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.