Home / 744,999.76-1,117,536.54-212,599.24

Finding the Fourth Proportional to 744,999.76, 1,117,536.54 and 212,599.24

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Solution

The fourth proportional to 744,999.76, 1,117,536.54 and 212,599.24 is: 318,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,999.76 : 1,117,536.54 = 212,599.24 : x
  2. Step 2: Convert to fraction form
    744,999.76/1,117,536.54 = 212,599.24/x
  3. Step 3: Cross multiply
    744,999.76x = 1,117,536.54 × 212,599.24
  4. Step 4: Simplify right side
    744,999.76x = 237,587,419,076.23
  5. Step 5: Solve for x
    x = 237,587,419,076.23/744,999.76
  6. Step 6: Final answer
    x = 318,909.39

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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.