Home / 993,189.92-1,489,798.80-283,217.84

Finding the Fourth Proportional to 993,189.92, 1,489,798.80 and 283,217.84

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Solution

The fourth proportional to 993,189.92, 1,489,798.80 and 283,217.84 is: 424,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,189.92 : 1,489,798.80 = 283,217.84 : x
  2. Step 2: Convert to fraction form
    993,189.92/1,489,798.80 = 283,217.84/x
  3. Step 3: Cross multiply
    993,189.92x = 1,489,798.80 × 283,217.84
  4. Step 4: Simplify right side
    993,189.92x = 421,937,598,170.59
  5. Step 5: Solve for x
    x = 421,937,598,170.59/993,189.92
  6. Step 6: Final answer
    x = 424,830.73

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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.