Home / 1,240,327.68-1,714,001.76-1,056,540.48

Finding the Fourth Proportional to 1,240,327.68, 1,714,001.76 and 1,056,540.48

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Solution

The fourth proportional to 1,240,327.68, 1,714,001.76 and 1,056,540.48 is: 1,460,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,327.68 : 1,714,001.76 = 1,056,540.48 : x
  2. Step 2: Convert to fraction form
    1,240,327.68/1,714,001.76 = 1,056,540.48/x
  3. Step 3: Cross multiply
    1,240,327.68x = 1,714,001.76 × 1,056,540.48
  4. Step 4: Simplify right side
    1,240,327.68x = 1,810,912,242,231.25
  5. Step 5: Solve for x
    x = 1,810,912,242,231.25/1,240,327.68
  6. Step 6: Final answer
    x = 1,460,027.27

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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.