Home / 412,548.02-618,822.60-113,031.20

Finding the Fourth Proportional to 412,548.02, 618,822.60 and 113,031.20

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Solution

The fourth proportional to 412,548.02, 618,822.60 and 113,031.20 is: 169,546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,548.02 : 618,822.60 = 113,031.20 : x
  2. Step 2: Convert to fraction form
    412,548.02/618,822.60 = 113,031.20/x
  3. Step 3: Cross multiply
    412,548.02x = 618,822.60 × 113,031.20
  4. Step 4: Simplify right side
    412,548.02x = 69,946,261,065.12
  5. Step 5: Solve for x
    x = 69,946,261,065.12/412,548.02
  6. Step 6: Final answer
    x = 169,546.96

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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.