Home / 1,631,285.94-2,445,581.61-719,819.40

Finding the Fourth Proportional to 1,631,285.94, 2,445,581.61 and 719,819.40

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Solution

The fourth proportional to 1,631,285.94, 2,445,581.61 and 719,819.40 is: 1,079,134.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,285.94 : 2,445,581.61 = 719,819.40 : x
  2. Step 2: Convert to fraction form
    1,631,285.94/2,445,581.61 = 719,819.40/x
  3. Step 3: Cross multiply
    1,631,285.94x = 2,445,581.61 × 719,819.40
  4. Step 4: Simplify right side
    1,631,285.94x = 1,760,377,087,161.23
  5. Step 5: Solve for x
    x = 1,760,377,087,161.23/1,631,285.94
  6. Step 6: Final answer
    x = 1,079,134.59

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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.