Home / 2,172,190.20-3,258,285.30-751,774.20

Finding the Fourth Proportional to 2,172,190.20, 3,258,285.30 and 751,774.20

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Solution

The fourth proportional to 2,172,190.20, 3,258,285.30 and 751,774.20 is: 1,127,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,190.20 : 3,258,285.30 = 751,774.20 : x
  2. Step 2: Convert to fraction form
    2,172,190.20/3,258,285.30 = 751,774.20/x
  3. Step 3: Cross multiply
    2,172,190.20x = 3,258,285.30 × 751,774.20
  4. Step 4: Simplify right side
    2,172,190.20x = 2,449,494,824,779.26
  5. Step 5: Solve for x
    x = 2,449,494,824,779.26/2,172,190.20
  6. Step 6: Final answer
    x = 1,127,661.30

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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.