Home / 1,252,690.92-1,879,035.47-719,872.11

Finding the Fourth Proportional to 1,252,690.92, 1,879,035.47 and 719,872.11

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Solution

The fourth proportional to 1,252,690.92, 1,879,035.47 and 719,872.11 is: 1,079,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,690.92 : 1,879,035.47 = 719,872.11 : x
  2. Step 2: Convert to fraction form
    1,252,690.92/1,879,035.47 = 719,872.11/x
  3. Step 3: Cross multiply
    1,252,690.92x = 1,879,035.47 × 719,872.11
  4. Step 4: Simplify right side
    1,252,690.92x = 1,352,665,227,653.90
  5. Step 5: Solve for x
    x = 1,352,665,227,653.90/1,252,690.92
  6. Step 6: Final answer
    x = 1,079,807.64

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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.