Home / 876,009.06-1,314,005.22-276,970.05

Finding the Fourth Proportional to 876,009.06, 1,314,005.22 and 276,970.05

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Solution

The fourth proportional to 876,009.06, 1,314,005.22 and 276,970.05 is: 415,452.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,009.06 : 1,314,005.22 = 276,970.05 : x
  2. Step 2: Convert to fraction form
    876,009.06/1,314,005.22 = 276,970.05/x
  3. Step 3: Cross multiply
    876,009.06x = 1,314,005.22 × 276,970.05
  4. Step 4: Simplify right side
    876,009.06x = 363,940,091,483.66
  5. Step 5: Solve for x
    x = 363,940,091,483.66/876,009.06
  6. Step 6: Final answer
    x = 415,452.43

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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.