Home / 741,388.20-1,023,116.74-401,856.36

Finding the Fourth Proportional to 741,388.20, 1,023,116.74 and 401,856.36

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Solution

The fourth proportional to 741,388.20, 1,023,116.74 and 401,856.36 is: 554,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,388.20 : 1,023,116.74 = 401,856.36 : x
  2. Step 2: Convert to fraction form
    741,388.20/1,023,116.74 = 401,856.36/x
  3. Step 3: Cross multiply
    741,388.20x = 1,023,116.74 × 401,856.36
  4. Step 4: Simplify right side
    741,388.20x = 411,145,968,991.47
  5. Step 5: Solve for x
    x = 411,145,968,991.47/741,388.20
  6. Step 6: Final answer
    x = 554,562.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.