Home / 827,685.54-1,241,029.35-539,711.10

Finding the Fourth Proportional to 827,685.54, 1,241,029.35 and 539,711.10

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Solution

The fourth proportional to 827,685.54, 1,241,029.35 and 539,711.10 is: 809,241.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,685.54 : 1,241,029.35 = 539,711.10 : x
  2. Step 2: Convert to fraction form
    827,685.54/1,241,029.35 = 539,711.10/x
  3. Step 3: Cross multiply
    827,685.54x = 1,241,029.35 × 539,711.10
  4. Step 4: Simplify right side
    827,685.54x = 669,797,315,620.79
  5. Step 5: Solve for x
    x = 669,797,315,620.79/827,685.54
  6. Step 6: Final answer
    x = 809,241.29

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Double scale
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1.5x scale

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.