Home / 412,670.46-618,991.08-113,146.23

Finding the Fourth Proportional to 412,670.46, 618,991.08 and 113,146.23

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Solution

The fourth proportional to 412,670.46, 618,991.08 and 113,146.23 is: 169,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,670.46 : 618,991.08 = 113,146.23 : x
  2. Step 2: Convert to fraction form
    412,670.46/618,991.08 = 113,146.23/x
  3. Step 3: Cross multiply
    412,670.46x = 618,991.08 × 113,146.23
  4. Step 4: Simplify right side
    412,670.46x = 70,036,507,105.63
  5. Step 5: Solve for x
    x = 70,036,507,105.63/412,670.46
  6. Step 6: Final answer
    x = 169,715.34

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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.