Home / 816,281.52-1,126,295.64-493,928.88

Finding the Fourth Proportional to 816,281.52, 1,126,295.64 and 493,928.88

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Solution

The fourth proportional to 816,281.52, 1,126,295.64 and 493,928.88 is: 681,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,281.52 : 1,126,295.64 = 493,928.88 : x
  2. Step 2: Convert to fraction form
    816,281.52/1,126,295.64 = 493,928.88/x
  3. Step 3: Cross multiply
    816,281.52x = 1,126,295.64 × 493,928.88
  4. Step 4: Simplify right side
    816,281.52x = 556,309,944,014.08
  5. Step 5: Solve for x
    x = 556,309,944,014.08/816,281.52
  6. Step 6: Final answer
    x = 681,517.26

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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.