Home / 1,477,150.20-2,215,725.30-479,878.20

Finding the Fourth Proportional to 1,477,150.20, 2,215,725.30 and 479,878.20

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Solution

The fourth proportional to 1,477,150.20, 2,215,725.30 and 479,878.20 is: 719,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,150.20 : 2,215,725.30 = 479,878.20 : x
  2. Step 2: Convert to fraction form
    1,477,150.20/2,215,725.30 = 479,878.20/x
  3. Step 3: Cross multiply
    1,477,150.20x = 2,215,725.30 × 479,878.20
  4. Step 4: Simplify right side
    1,477,150.20x = 1,063,278,268,658.46
  5. Step 5: Solve for x
    x = 1,063,278,268,658.46/1,477,150.20
  6. Step 6: Final answer
    x = 719,817.30

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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.