Home / 827,281.60-1,240,922.40-543,846.40

Finding the Fourth Proportional to 827,281.60, 1,240,922.40 and 543,846.40

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Solution

The fourth proportional to 827,281.60, 1,240,922.40 and 543,846.40 is: 815,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,281.60 : 1,240,922.40 = 543,846.40 : x
  2. Step 2: Convert to fraction form
    827,281.60/1,240,922.40 = 543,846.40/x
  3. Step 3: Cross multiply
    827,281.60x = 1,240,922.40 × 543,846.40
  4. Step 4: Simplify right side
    827,281.60x = 674,871,179,919.36
  5. Step 5: Solve for x
    x = 674,871,179,919.36/827,281.60
  6. Step 6: Final answer
    x = 815,769.60

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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.