Home / 644,508.29-966,811.64-195,266.36

Finding the Fourth Proportional to 644,508.29, 966,811.64 and 195,266.36

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Solution

The fourth proportional to 644,508.29, 966,811.64 and 195,266.36 is: 292,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,508.29 : 966,811.64 = 195,266.36 : x
  2. Step 2: Convert to fraction form
    644,508.29/966,811.64 = 195,266.36/x
  3. Step 3: Cross multiply
    644,508.29x = 966,811.64 × 195,266.36
  4. Step 4: Simplify right side
    644,508.29x = 188,785,791,189.13
  5. Step 5: Solve for x
    x = 188,785,791,189.13/644,508.29
  6. Step 6: Final answer
    x = 292,914.45

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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.