Home / 1,419,516.84-2,129,155.31-459,952.14

Finding the Fourth Proportional to 1,419,516.84, 2,129,155.31 and 459,952.14

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Solution

The fourth proportional to 1,419,516.84, 2,129,155.31 and 459,952.14 is: 689,889.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,516.84 : 2,129,155.31 = 459,952.14 : x
  2. Step 2: Convert to fraction form
    1,419,516.84/2,129,155.31 = 459,952.14/x
  3. Step 3: Cross multiply
    1,419,516.84x = 2,129,155.31 × 459,952.14
  4. Step 4: Simplify right side
    1,419,516.84x = 979,309,541,226.86
  5. Step 5: Solve for x
    x = 979,309,541,226.86/1,419,516.84
  6. Step 6: Final answer
    x = 689,889.34

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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.