Home / 784,255.50-1,176,383.25-193,279.50

Finding the Fourth Proportional to 784,255.50, 1,176,383.25 and 193,279.50

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Solution

The fourth proportional to 784,255.50, 1,176,383.25 and 193,279.50 is: 289,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,255.50 : 1,176,383.25 = 193,279.50 : x
  2. Step 2: Convert to fraction form
    784,255.50/1,176,383.25 = 193,279.50/x
  3. Step 3: Cross multiply
    784,255.50x = 1,176,383.25 × 193,279.50
  4. Step 4: Simplify right side
    784,255.50x = 227,370,766,368.38
  5. Step 5: Solve for x
    x = 227,370,766,368.38/784,255.50
  6. Step 6: Final answer
    x = 289,919.25

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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.