Home / 1,419,098.17-2,128,857.89-459,232.04

Finding the Fourth Proportional to 1,419,098.17, 2,128,857.89 and 459,232.04

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Solution

The fourth proportional to 1,419,098.17, 2,128,857.89 and 459,232.04 is: 688,916.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,098.17 : 2,128,857.89 = 459,232.04 : x
  2. Step 2: Convert to fraction form
    1,419,098.17/2,128,857.89 = 459,232.04/x
  3. Step 3: Cross multiply
    1,419,098.17x = 2,128,857.89 × 459,232.04
  4. Step 4: Simplify right side
    1,419,098.17x = 977,639,751,694.80
  5. Step 5: Solve for x
    x = 977,639,751,694.80/1,419,098.17
  6. Step 6: Final answer
    x = 688,916.22

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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.