Home / 1,519,205.10-2,278,807.65-397,274.10

Finding the Fourth Proportional to 1,519,205.10, 2,278,807.65 and 397,274.10

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Solution

The fourth proportional to 1,519,205.10, 2,278,807.65 and 397,274.10 is: 595,911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,205.10 : 2,278,807.65 = 397,274.10 : x
  2. Step 2: Convert to fraction form
    1,519,205.10/2,278,807.65 = 397,274.10/x
  3. Step 3: Cross multiply
    1,519,205.10x = 2,278,807.65 × 397,274.10
  4. Step 4: Simplify right side
    1,519,205.10x = 905,311,258,226.87
  5. Step 5: Solve for x
    x = 905,311,258,226.87/1,519,205.10
  6. Step 6: Final answer
    x = 595,911.15

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Half scale
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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.