Home / 1,088,871.22-1,502,172.22-680,261.86

Finding the Fourth Proportional to 1,088,871.22, 1,502,172.22 and 680,261.86

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Solution

The fourth proportional to 1,088,871.22, 1,502,172.22 and 680,261.86 is: 938,467.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,871.22 : 1,502,172.22 = 680,261.86 : x
  2. Step 2: Convert to fraction form
    1,088,871.22/1,502,172.22 = 680,261.86/x
  3. Step 3: Cross multiply
    1,088,871.22x = 1,502,172.22 × 680,261.86
  4. Step 4: Simplify right side
    1,088,871.22x = 1,021,870,457,505.36
  5. Step 5: Solve for x
    x = 1,021,870,457,505.36/1,088,871.22
  6. Step 6: Final answer
    x = 938,467.69

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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.