Home / 993,166.20-1,489,749.30-394,270.20

Finding the Fourth Proportional to 993,166.20, 1,489,749.30 and 394,270.20

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Solution

The fourth proportional to 993,166.20, 1,489,749.30 and 394,270.20 is: 591,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,166.20 : 1,489,749.30 = 394,270.20 : x
  2. Step 2: Convert to fraction form
    993,166.20/1,489,749.30 = 394,270.20/x
  3. Step 3: Cross multiply
    993,166.20x = 1,489,749.30 × 394,270.20
  4. Step 4: Simplify right side
    993,166.20x = 587,363,754,460.86
  5. Step 5: Solve for x
    x = 587,363,754,460.86/993,166.20
  6. Step 6: Final answer
    x = 591,405.30

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Double scale
Find fourth proportional to 993,167.20, 1,489,750.80 and 394,271.20
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.