Home / 1,092,130.20-1,638,195.30-997,651.80

Finding the Fourth Proportional to 1,092,130.20, 1,638,195.30 and 997,651.80

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Solution

The fourth proportional to 1,092,130.20, 1,638,195.30 and 997,651.80 is: 1,496,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,130.20 : 1,638,195.30 = 997,651.80 : x
  2. Step 2: Convert to fraction form
    1,092,130.20/1,638,195.30 = 997,651.80/x
  3. Step 3: Cross multiply
    1,092,130.20x = 1,638,195.30 × 997,651.80
  4. Step 4: Simplify right side
    1,092,130.20x = 1,634,348,489,796.54
  5. Step 5: Solve for x
    x = 1,634,348,489,796.54/1,092,130.20
  6. Step 6: Final answer
    x = 1,496,477.70

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Double scale
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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.