Home / 1,553,734.28-2,142,439.60-1,063,784.44

Finding the Fourth Proportional to 1,553,734.28, 2,142,439.60 and 1,063,784.44

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Solution

The fourth proportional to 1,553,734.28, 2,142,439.60 and 1,063,784.44 is: 1,466,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,734.28 : 2,142,439.60 = 1,063,784.44 : x
  2. Step 2: Convert to fraction form
    1,553,734.28/2,142,439.60 = 1,063,784.44/x
  3. Step 3: Cross multiply
    1,553,734.28x = 2,142,439.60 × 1,063,784.44
  4. Step 4: Simplify right side
    1,553,734.28x = 2,279,093,910,119.82
  5. Step 5: Solve for x
    x = 2,279,093,910,119.82/1,553,734.28
  6. Step 6: Final answer
    x = 1,466,849.22

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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.