Home / 2,102,719.21-3,154,078.47-505,282.30

Finding the Fourth Proportional to 2,102,719.21, 3,154,078.47 and 505,282.30

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Solution

The fourth proportional to 2,102,719.21, 3,154,078.47 and 505,282.30 is: 757,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,719.21 : 3,154,078.47 = 505,282.30 : x
  2. Step 2: Convert to fraction form
    2,102,719.21/3,154,078.47 = 505,282.30/x
  3. Step 3: Cross multiply
    2,102,719.21x = 3,154,078.47 × 505,282.30
  4. Step 4: Simplify right side
    2,102,719.21x = 1,593,700,017,711.69
  5. Step 5: Solve for x
    x = 1,593,700,017,711.69/2,102,719.21
  6. Step 6: Final answer
    x = 757,923.37

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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.