Home / 1,425,621.40-2,138,253.66-465,996.71

Finding the Fourth Proportional to 1,425,621.40, 2,138,253.66 and 465,996.71

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Solution

The fourth proportional to 1,425,621.40, 2,138,253.66 and 465,996.71 is: 698,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,621.40 : 2,138,253.66 = 465,996.71 : x
  2. Step 2: Convert to fraction form
    1,425,621.40/2,138,253.66 = 465,996.71/x
  3. Step 3: Cross multiply
    1,425,621.40x = 2,138,253.66 × 465,996.71
  4. Step 4: Simplify right side
    1,425,621.40x = 996,419,176,051.09
  5. Step 5: Solve for x
    x = 996,419,176,051.09/1,425,621.40
  6. Step 6: Final answer
    x = 698,936.74

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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.