Home / 993,188.20-1,489,667.10-283,325.80

Finding the Fourth Proportional to 993,188.20, 1,489,667.10 and 283,325.80

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Solution

The fourth proportional to 993,188.20, 1,489,667.10 and 283,325.80 is: 424,955.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,188.20 : 1,489,667.10 = 283,325.80 : x
  2. Step 2: Convert to fraction form
    993,188.20/1,489,667.10 = 283,325.80/x
  3. Step 3: Cross multiply
    993,188.20x = 1,489,667.10 × 283,325.80
  4. Step 4: Simplify right side
    993,188.20x = 422,061,122,841.18
  5. Step 5: Solve for x
    x = 422,061,122,841.18/993,188.20
  6. Step 6: Final answer
    x = 424,955.84

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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.