Home / 5,465,812.80-8,198,719.20-4,402,930.80

Finding the Fourth Proportional to 5,465,812.80, 8,198,719.20 and 4,402,930.80

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Solution

The fourth proportional to 5,465,812.80, 8,198,719.20 and 4,402,930.80 is: 6,604,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465,812.80 : 8,198,719.20 = 4,402,930.80 : x
  2. Step 2: Convert to fraction form
    5,465,812.80/8,198,719.20 = 4,402,930.80/x
  3. Step 3: Cross multiply
    5,465,812.80x = 8,198,719.20 × 4,402,930.80
  4. Step 4: Simplify right side
    5,465,812.80x = 36,098,393,286,231.36
  5. Step 5: Solve for x
    x = 36,098,393,286,231.36/5,465,812.80
  6. Step 6: Final answer
    x = 6,604,396.20

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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.