Home / 1,719,025-2,578,251.52-520,662.40

Finding the Fourth Proportional to 1,719,025, 2,578,251.52 and 520,662.40

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Solution

The fourth proportional to 1,719,025, 2,578,251.52 and 520,662.40 is: 780,906.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,025 : 2,578,251.52 = 520,662.40 : x
  2. Step 2: Convert to fraction form
    1,719,025/2,578,251.52 = 520,662.40/x
  3. Step 3: Cross multiply
    1,719,025x = 2,578,251.52 × 520,662.40
  4. Step 4: Simplify right side
    1,719,025x = 1,342,398,624,206.85
  5. Step 5: Solve for x
    x = 1,342,398,624,206.85/1,719,025
  6. Step 6: Final answer
    x = 780,906.98

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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.