Home / 936,839.40-1,405,113.30-262,854.60

Finding the Fourth Proportional to 936,839.40, 1,405,113.30 and 262,854.60

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Solution

The fourth proportional to 936,839.40, 1,405,113.30 and 262,854.60 is: 394,240.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,839.40 : 1,405,113.30 = 262,854.60 : x
  2. Step 2: Convert to fraction form
    936,839.40/1,405,113.30 = 262,854.60/x
  3. Step 3: Cross multiply
    936,839.40x = 1,405,113.30 × 262,854.60
  4. Step 4: Simplify right side
    936,839.40x = 369,340,494,426.18
  5. Step 5: Solve for x
    x = 369,340,494,426.18/936,839.40
  6. Step 6: Final answer
    x = 394,240.99

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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.