Home / 816,734.80-1,126,928.02-477,137.44

Finding the Fourth Proportional to 816,734.80, 1,126,928.02 and 477,137.44

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Solution

The fourth proportional to 816,734.80, 1,126,928.02 and 477,137.44 is: 658,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,734.80 : 1,126,928.02 = 477,137.44 : x
  2. Step 2: Convert to fraction form
    816,734.80/1,126,928.02 = 477,137.44/x
  3. Step 3: Cross multiply
    816,734.80x = 1,126,928.02 × 477,137.44
  4. Step 4: Simplify right side
    816,734.80x = 537,699,550,527.07
  5. Step 5: Solve for x
    x = 537,699,550,527.07/816,734.80
  6. Step 6: Final answer
    x = 658,352.69

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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.