Home / 483,926.80-725,890.20-188,438.80

Finding the Fourth Proportional to 483,926.80, 725,890.20 and 188,438.80

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Solution

The fourth proportional to 483,926.80, 725,890.20 and 188,438.80 is: 282,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,926.80 : 725,890.20 = 188,438.80 : x
  2. Step 2: Convert to fraction form
    483,926.80/725,890.20 = 188,438.80/x
  3. Step 3: Cross multiply
    483,926.80x = 725,890.20 × 188,438.80
  4. Step 4: Simplify right side
    483,926.80x = 136,785,878,219.76
  5. Step 5: Solve for x
    x = 136,785,878,219.76/483,926.80
  6. Step 6: Final answer
    x = 282,658.20

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Similar ratio
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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.