Home / 763,948.36-1,054,187.03-441,679.22

Finding the Fourth Proportional to 763,948.36, 1,054,187.03 and 441,679.22

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Solution

The fourth proportional to 763,948.36, 1,054,187.03 and 441,679.22 is: 609,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,948.36 : 1,054,187.03 = 441,679.22 : x
  2. Step 2: Convert to fraction form
    763,948.36/1,054,187.03 = 441,679.22/x
  3. Step 3: Cross multiply
    763,948.36x = 1,054,187.03 × 441,679.22
  4. Step 4: Simplify right side
    763,948.36x = 465,612,497,665.19
  5. Step 5: Solve for x
    x = 465,612,497,665.19/763,948.36
  6. Step 6: Final answer
    x = 609,481.64

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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.