Home / 448,439.10-672,777.45-195,611.10

Finding the Fourth Proportional to 448,439.10, 672,777.45 and 195,611.10

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Solution

The fourth proportional to 448,439.10, 672,777.45 and 195,611.10 is: 293,468.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,439.10 : 672,777.45 = 195,611.10 : x
  2. Step 2: Convert to fraction form
    448,439.10/672,777.45 = 195,611.10/x
  3. Step 3: Cross multiply
    448,439.10x = 672,777.45 × 195,611.10
  4. Step 4: Simplify right side
    448,439.10x = 131,602,737,049.70
  5. Step 5: Solve for x
    x = 131,602,737,049.70/448,439.10
  6. Step 6: Final answer
    x = 293,468.47

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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.