Home / 961,805.70-1,442,708.55-362,786.40

Finding the Fourth Proportional to 961,805.70, 1,442,708.55 and 362,786.40

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Solution

The fourth proportional to 961,805.70, 1,442,708.55 and 362,786.40 is: 544,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,805.70 : 1,442,708.55 = 362,786.40 : x
  2. Step 2: Convert to fraction form
    961,805.70/1,442,708.55 = 362,786.40/x
  3. Step 3: Cross multiply
    961,805.70x = 1,442,708.55 × 362,786.40
  4. Step 4: Simplify right side
    961,805.70x = 523,395,041,103.72
  5. Step 5: Solve for x
    x = 523,395,041,103.72/961,805.70
  6. Step 6: Final answer
    x = 544,179.60

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Similar ratio
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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.