Home / 1,086,050.40-1,629,075.60-298,082.40

Finding the Fourth Proportional to 1,086,050.40, 1,629,075.60 and 298,082.40

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Solution

The fourth proportional to 1,086,050.40, 1,629,075.60 and 298,082.40 is: 447,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,050.40 : 1,629,075.60 = 298,082.40 : x
  2. Step 2: Convert to fraction form
    1,086,050.40/1,629,075.60 = 298,082.40/x
  3. Step 3: Cross multiply
    1,086,050.40x = 1,629,075.60 × 298,082.40
  4. Step 4: Simplify right side
    1,086,050.40x = 485,598,764,629.44
  5. Step 5: Solve for x
    x = 485,598,764,629.44/1,086,050.40
  6. Step 6: Final answer
    x = 447,123.60

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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.