Home / 1,425,685.56-2,138,532.74-360,727.43

Finding the Fourth Proportional to 1,425,685.56, 2,138,532.74 and 360,727.43

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Solution

The fourth proportional to 1,425,685.56, 2,138,532.74 and 360,727.43 is: 541,092.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,685.56 : 2,138,532.74 = 360,727.43 : x
  2. Step 2: Convert to fraction form
    1,425,685.56/2,138,532.74 = 360,727.43/x
  3. Step 3: Cross multiply
    1,425,685.56x = 2,138,532.74 × 360,727.43
  4. Step 4: Simplify right side
    1,425,685.56x = 771,427,408,127.49
  5. Step 5: Solve for x
    x = 771,427,408,127.49/1,425,685.56
  6. Step 6: Final answer
    x = 541,092.25

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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.