Home / 861,797.58-1,189,280.52-479,914.44

Finding the Fourth Proportional to 861,797.58, 1,189,280.52 and 479,914.44

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Solution

The fourth proportional to 861,797.58, 1,189,280.52 and 479,914.44 is: 662,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,797.58 : 1,189,280.52 = 479,914.44 : x
  2. Step 2: Convert to fraction form
    861,797.58/1,189,280.52 = 479,914.44/x
  3. Step 3: Cross multiply
    861,797.58x = 1,189,280.52 × 479,914.44
  4. Step 4: Simplify right side
    861,797.58x = 570,752,894,758.71
  5. Step 5: Solve for x
    x = 570,752,894,758.71/861,797.58
  6. Step 6: Final answer
    x = 662,281.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.