Home / 1,285,998.24-1,928,997.36-444,090.72

Finding the Fourth Proportional to 1,285,998.24, 1,928,997.36 and 444,090.72

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Solution

The fourth proportional to 1,285,998.24, 1,928,997.36 and 444,090.72 is: 666,136.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,998.24 : 1,928,997.36 = 444,090.72 : x
  2. Step 2: Convert to fraction form
    1,285,998.24/1,928,997.36 = 444,090.72/x
  3. Step 3: Cross multiply
    1,285,998.24x = 1,928,997.36 × 444,090.72
  4. Step 4: Simplify right side
    1,285,998.24x = 856,649,826,480.50
  5. Step 5: Solve for x
    x = 856,649,826,480.50/1,285,998.24
  6. Step 6: Final answer
    x = 666,136.08

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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.