Home / 482,851.28-666,365.90-267,991.35

Finding the Fourth Proportional to 482,851.28, 666,365.90 and 267,991.35

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Solution

The fourth proportional to 482,851.28, 666,365.90 and 267,991.35 is: 369,845.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,851.28 : 666,365.90 = 267,991.35 : x
  2. Step 2: Convert to fraction form
    482,851.28/666,365.90 = 267,991.35/x
  3. Step 3: Cross multiply
    482,851.28x = 666,365.90 × 267,991.35
  4. Step 4: Simplify right side
    482,851.28x = 178,580,295,795.01
  5. Step 5: Solve for x
    x = 178,580,295,795.01/482,851.28
  6. Step 6: Final answer
    x = 369,845.34

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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.