Home / 5,107,632.80-7,661,449.20-4,477,776.80

Finding the Fourth Proportional to 5,107,632.80, 7,661,449.20 and 4,477,776.80

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Solution

The fourth proportional to 5,107,632.80, 7,661,449.20 and 4,477,776.80 is: 6,716,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,632.80 : 7,661,449.20 = 4,477,776.80 : x
  2. Step 2: Convert to fraction form
    5,107,632.80/7,661,449.20 = 4,477,776.80/x
  3. Step 3: Cross multiply
    5,107,632.80x = 7,661,449.20 × 4,477,776.80
  4. Step 4: Simplify right side
    5,107,632.80x = 34,306,259,482,138.56
  5. Step 5: Solve for x
    x = 34,306,259,482,138.56/5,107,632.80
  6. Step 6: Final answer
    x = 6,716,665.20

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Double scale
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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.