Home / 1,123,603.60-1,685,405.40-491,846.80

Finding the Fourth Proportional to 1,123,603.60, 1,685,405.40 and 491,846.80

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Solution

The fourth proportional to 1,123,603.60, 1,685,405.40 and 491,846.80 is: 737,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,603.60 : 1,685,405.40 = 491,846.80 : x
  2. Step 2: Convert to fraction form
    1,123,603.60/1,685,405.40 = 491,846.80/x
  3. Step 3: Cross multiply
    1,123,603.60x = 1,685,405.40 × 491,846.80
  4. Step 4: Simplify right side
    1,123,603.60x = 828,961,252,692.72
  5. Step 5: Solve for x
    x = 828,961,252,692.72/1,123,603.60
  6. Step 6: Final answer
    x = 737,770.20

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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.