Home / 723,611.59-1,085,469.24-191,127.31

Finding the Fourth Proportional to 723,611.59, 1,085,469.24 and 191,127.31

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Solution

The fourth proportional to 723,611.59, 1,085,469.24 and 191,127.31 is: 286,704.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,611.59 : 1,085,469.24 = 191,127.31 : x
  2. Step 2: Convert to fraction form
    723,611.59/1,085,469.24 = 191,127.31/x
  3. Step 3: Cross multiply
    723,611.59x = 1,085,469.24 × 191,127.31
  4. Step 4: Simplify right side
    723,611.59x = 207,462,815,928.94
  5. Step 5: Solve for x
    x = 207,462,815,928.94/723,611.59
  6. Step 6: Final answer
    x = 286,704.66

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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.