Home / 1,104,579.40-1,657,257.90-543,238.60

Finding the Fourth Proportional to 1,104,579.40, 1,657,257.90 and 543,238.60

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Solution

The fourth proportional to 1,104,579.40, 1,657,257.90 and 543,238.60 is: 815,049.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,579.40 : 1,657,257.90 = 543,238.60 : x
  2. Step 2: Convert to fraction form
    1,104,579.40/1,657,257.90 = 543,238.60/x
  3. Step 3: Cross multiply
    1,104,579.40x = 1,657,257.90 × 543,238.60
  4. Step 4: Simplify right side
    1,104,579.40x = 900,286,461,434.94
  5. Step 5: Solve for x
    x = 900,286,461,434.94/1,104,579.40
  6. Step 6: Final answer
    x = 815,049.11

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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.