Home / 1,123,453.60-1,685,180.40-491,696.80

Finding the Fourth Proportional to 1,123,453.60, 1,685,180.40 and 491,696.80

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Solution

The fourth proportional to 1,123,453.60, 1,685,180.40 and 491,696.80 is: 737,545.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,453.60 : 1,685,180.40 = 491,696.80 : x
  2. Step 2: Convert to fraction form
    1,123,453.60/1,685,180.40 = 491,696.80/x
  3. Step 3: Cross multiply
    1,123,453.60x = 1,685,180.40 × 491,696.80
  4. Step 4: Simplify right side
    1,123,453.60x = 828,597,810,102.72
  5. Step 5: Solve for x
    x = 828,597,810,102.72/1,123,453.60
  6. Step 6: Final answer
    x = 737,545.20

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Double scale
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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.