Home / 447,611.27-671,439.22-127,810.58

Finding the Fourth Proportional to 447,611.27, 671,439.22 and 127,810.58

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Solution

The fourth proportional to 447,611.27, 671,439.22 and 127,810.58 is: 191,722.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,611.27 : 671,439.22 = 127,810.58 : x
  2. Step 2: Convert to fraction form
    447,611.27/671,439.22 = 127,810.58/x
  3. Step 3: Cross multiply
    447,611.27x = 671,439.22 × 127,810.58
  4. Step 4: Simplify right side
    447,611.27x = 85,817,032,466.23
  5. Step 5: Solve for x
    x = 85,817,032,466.23/447,611.27
  6. Step 6: Final answer
    x = 191,722.24

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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.