Home / 1,419,097.17-2,128,856.39-459,231.04

Finding the Fourth Proportional to 1,419,097.17, 2,128,856.39 and 459,231.04

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Solution

The fourth proportional to 1,419,097.17, 2,128,856.39 and 459,231.04 is: 688,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,097.17 : 2,128,856.39 = 459,231.04 : x
  2. Step 2: Convert to fraction form
    1,419,097.17/2,128,856.39 = 459,231.04/x
  3. Step 3: Cross multiply
    1,419,097.17x = 2,128,856.39 × 459,231.04
  4. Step 4: Simplify right side
    1,419,097.17x = 977,636,933,990.35
  5. Step 5: Solve for x
    x = 977,636,933,990.35/1,419,097.17
  6. Step 6: Final answer
    x = 688,914.72

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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.