Home / 744,726.68-1,117,265.40-212,255.36

Finding the Fourth Proportional to 744,726.68, 1,117,265.40 and 212,255.36

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Solution

The fourth proportional to 744,726.68, 1,117,265.40 and 212,255.36 is: 318,433.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,726.68 : 1,117,265.40 = 212,255.36 : x
  2. Step 2: Convert to fraction form
    744,726.68/1,117,265.40 = 212,255.36/x
  3. Step 3: Cross multiply
    744,726.68x = 1,117,265.40 × 212,255.36
  4. Step 4: Simplify right side
    744,726.68x = 237,145,569,692.54
  5. Step 5: Solve for x
    x = 237,145,569,692.54/744,726.68
  6. Step 6: Final answer
    x = 318,433.03

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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.