Home / 953,406.44-1,427,932.38-455,120.36

Finding the Fourth Proportional to 953,406.44, 1,427,932.38 and 455,120.36

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Solution

The fourth proportional to 953,406.44, 1,427,932.38 and 455,120.36 is: 681,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,406.44 : 1,427,932.38 = 455,120.36 : x
  2. Step 2: Convert to fraction form
    953,406.44/1,427,932.38 = 455,120.36/x
  3. Step 3: Cross multiply
    953,406.44x = 1,427,932.38 × 455,120.36
  4. Step 4: Simplify right side
    953,406.44x = 649,881,098,841.26
  5. Step 5: Solve for x
    x = 649,881,098,841.26/953,406.44
  6. Step 6: Final answer
    x = 681,641.19

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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.