Home / 637,928.80-956,893.20-283,634.80

Finding the Fourth Proportional to 637,928.80, 956,893.20 and 283,634.80

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Solution

The fourth proportional to 637,928.80, 956,893.20 and 283,634.80 is: 425,452.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,928.80 : 956,893.20 = 283,634.80 : x
  2. Step 2: Convert to fraction form
    637,928.80/956,893.20 = 283,634.80/x
  3. Step 3: Cross multiply
    637,928.80x = 956,893.20 × 283,634.80
  4. Step 4: Simplify right side
    637,928.80x = 271,408,211,403.36
  5. Step 5: Solve for x
    x = 271,408,211,403.36/637,928.80
  6. Step 6: Final answer
    x = 425,452.20

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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.