Home / 447,932.03-618,147.06-243,982.32

Finding the Fourth Proportional to 447,932.03, 618,147.06 and 243,982.32

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Solution

The fourth proportional to 447,932.03, 618,147.06 and 243,982.32 is: 336,696.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,932.03 : 618,147.06 = 243,982.32 : x
  2. Step 2: Convert to fraction form
    447,932.03/618,147.06 = 243,982.32/x
  3. Step 3: Cross multiply
    447,932.03x = 618,147.06 × 243,982.32
  4. Step 4: Simplify right side
    447,932.03x = 150,816,953,799.98
  5. Step 5: Solve for x
    x = 150,816,953,799.98/447,932.03
  6. Step 6: Final answer
    x = 336,696.07

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1.5x scale

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.