Home / 858,913.20-1,288,369.80-227,890.80

Finding the Fourth Proportional to 858,913.20, 1,288,369.80 and 227,890.80

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Solution

The fourth proportional to 858,913.20, 1,288,369.80 and 227,890.80 is: 341,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,913.20 : 1,288,369.80 = 227,890.80 : x
  2. Step 2: Convert to fraction form
    858,913.20/1,288,369.80 = 227,890.80/x
  3. Step 3: Cross multiply
    858,913.20x = 1,288,369.80 × 227,890.80
  4. Step 4: Simplify right side
    858,913.20x = 293,607,624,417.84
  5. Step 5: Solve for x
    x = 293,607,624,417.84/858,913.20
  6. Step 6: Final answer
    x = 341,836.20

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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.