Home / 1,041,909.40-1,561,989.30-543,273.40

Finding the Fourth Proportional to 1,041,909.40, 1,561,989.30 and 543,273.40

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Solution

The fourth proportional to 1,041,909.40, 1,561,989.30 and 543,273.40 is: 814,453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,909.40 : 1,561,989.30 = 543,273.40 : x
  2. Step 2: Convert to fraction form
    1,041,909.40/1,561,989.30 = 543,273.40/x
  3. Step 3: Cross multiply
    1,041,909.40x = 1,561,989.30 × 543,273.40
  4. Step 4: Simplify right side
    1,041,909.40x = 848,587,237,774.62
  5. Step 5: Solve for x
    x = 848,587,237,774.62/1,041,909.40
  6. Step 6: Final answer
    x = 814,453.96

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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.