Home / 1,434,509.36-1,978,957.92-925,375.76

Finding the Fourth Proportional to 1,434,509.36, 1,978,957.92 and 925,375.76

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Solution

The fourth proportional to 1,434,509.36, 1,978,957.92 and 925,375.76 is: 1,276,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,509.36 : 1,978,957.92 = 925,375.76 : x
  2. Step 2: Convert to fraction form
    1,434,509.36/1,978,957.92 = 925,375.76/x
  3. Step 3: Cross multiply
    1,434,509.36x = 1,978,957.92 × 925,375.76
  4. Step 4: Simplify right side
    1,434,509.36x = 1,831,279,689,228.02
  5. Step 5: Solve for x
    x = 1,831,279,689,228.02/1,434,509.36
  6. Step 6: Final answer
    x = 1,276,589.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.