Home / 988,714.23-1,364,571.23-626,171.81

Finding the Fourth Proportional to 988,714.23, 1,364,571.23 and 626,171.81

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Solution

The fourth proportional to 988,714.23, 1,364,571.23 and 626,171.81 is: 864,209.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,714.23 : 1,364,571.23 = 626,171.81 : x
  2. Step 2: Convert to fraction form
    988,714.23/1,364,571.23 = 626,171.81/x
  3. Step 3: Cross multiply
    988,714.23x = 1,364,571.23 × 626,171.81
  4. Step 4: Simplify right side
    988,714.23x = 854,456,027,009.31
  5. Step 5: Solve for x
    x = 854,456,027,009.31/988,714.23
  6. Step 6: Final answer
    x = 864,209.29

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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.