Home / 447,100.28-616,686.08-303,611.21

Finding the Fourth Proportional to 447,100.28, 616,686.08 and 303,611.21

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Solution

The fourth proportional to 447,100.28, 616,686.08 and 303,611.21 is: 418,771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,100.28 : 616,686.08 = 303,611.21 : x
  2. Step 2: Convert to fraction form
    447,100.28/616,686.08 = 303,611.21/x
  3. Step 3: Cross multiply
    447,100.28x = 616,686.08 × 303,611.21
  4. Step 4: Simplify right side
    447,100.28x = 187,232,809,239.70
  5. Step 5: Solve for x
    x = 187,232,809,239.70/447,100.28
  6. Step 6: Final answer
    x = 418,771.40

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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.