Home / 1,245,055.22-1,714,558.29-1,081,637.11

Finding the Fourth Proportional to 1,245,055.22, 1,714,558.29 and 1,081,637.11

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Solution

The fourth proportional to 1,245,055.22, 1,714,558.29 and 1,081,637.11 is: 1,489,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,055.22 : 1,714,558.29 = 1,081,637.11 : x
  2. Step 2: Convert to fraction form
    1,245,055.22/1,714,558.29 = 1,081,637.11/x
  3. Step 3: Cross multiply
    1,245,055.22x = 1,714,558.29 × 1,081,637.11
  4. Step 4: Simplify right side
    1,245,055.22x = 1,854,529,871,809.20
  5. Step 5: Solve for x
    x = 1,854,529,871,809.20/1,245,055.22
  6. Step 6: Final answer
    x = 1,489,516.16

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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.