Home / 2,930,712.90-4,396,069.35-801,012.30

Finding the Fourth Proportional to 2,930,712.90, 4,396,069.35 and 801,012.30

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Solution

The fourth proportional to 2,930,712.90, 4,396,069.35 and 801,012.30 is: 1,201,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,712.90 : 4,396,069.35 = 801,012.30 : x
  2. Step 2: Convert to fraction form
    2,930,712.90/4,396,069.35 = 801,012.30/x
  3. Step 3: Cross multiply
    2,930,712.90x = 4,396,069.35 × 801,012.30
  4. Step 4: Simplify right side
    2,930,712.90x = 3,521,305,621,003.01
  5. Step 5: Solve for x
    x = 3,521,305,621,003.01/2,930,712.90
  6. Step 6: Final answer
    x = 1,201,518.45

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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.