Home / 1,692,159.26-2,335,179.90-928,214.78

Finding the Fourth Proportional to 1,692,159.26, 2,335,179.90 and 928,214.78

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Solution

The fourth proportional to 1,692,159.26, 2,335,179.90 and 928,214.78 is: 1,280,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,159.26 : 2,335,179.90 = 928,214.78 : x
  2. Step 2: Convert to fraction form
    1,692,159.26/2,335,179.90 = 928,214.78/x
  3. Step 3: Cross multiply
    1,692,159.26x = 2,335,179.90 × 928,214.78
  4. Step 4: Simplify right side
    1,692,159.26x = 2,167,548,497,138.92
  5. Step 5: Solve for x
    x = 2,167,548,497,138.92/1,692,159.26
  6. Step 6: Final answer
    x = 1,280,936.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.