Home / 447,937.52-618,157.42-243,989.24

Finding the Fourth Proportional to 447,937.52, 618,157.42 and 243,989.24

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Solution

The fourth proportional to 447,937.52, 618,157.42 and 243,989.24 is: 336,707.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,937.52 : 618,157.42 = 243,989.24 : x
  2. Step 2: Convert to fraction form
    447,937.52/618,157.42 = 243,989.24/x
  3. Step 3: Cross multiply
    447,937.52x = 618,157.42 × 243,989.24
  4. Step 4: Simplify right side
    447,937.52x = 150,823,759,106.16
  5. Step 5: Solve for x
    x = 150,823,759,106.16/447,937.52
  6. Step 6: Final answer
    x = 336,707.14

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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.