Home / 412,534.02-618,801.57-113,017.22

Finding the Fourth Proportional to 412,534.02, 618,801.57 and 113,017.22

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Solution

The fourth proportional to 412,534.02, 618,801.57 and 113,017.22 is: 169,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,534.02 : 618,801.57 = 113,017.22 : x
  2. Step 2: Convert to fraction form
    412,534.02/618,801.57 = 113,017.22/x
  3. Step 3: Cross multiply
    412,534.02x = 618,801.57 × 113,017.22
  4. Step 4: Simplify right side
    412,534.02x = 69,935,230,079.03
  5. Step 5: Solve for x
    x = 69,935,230,079.03/412,534.02
  6. Step 6: Final answer
    x = 169,525.97

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1.5x scale

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.