Home / 926,596.80-1,389,895.20-716,385.60

Finding the Fourth Proportional to 926,596.80, 1,389,895.20 and 716,385.60

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Solution

The fourth proportional to 926,596.80, 1,389,895.20 and 716,385.60 is: 1,074,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,596.80 : 1,389,895.20 = 716,385.60 : x
  2. Step 2: Convert to fraction form
    926,596.80/1,389,895.20 = 716,385.60/x
  3. Step 3: Cross multiply
    926,596.80x = 1,389,895.20 × 716,385.60
  4. Step 4: Simplify right side
    926,596.80x = 995,700,906,789.12
  5. Step 5: Solve for x
    x = 995,700,906,789.12/926,596.80
  6. Step 6: Final answer
    x = 1,074,578.40

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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.