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Finding the Fourth Proportional to 1,299,834.50, 1,793,738.06 and 719,042.52

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Solution

The fourth proportional to 1,299,834.50, 1,793,738.06 and 719,042.52 is: 992,260.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,834.50 : 1,793,738.06 = 719,042.52 : x
  2. Step 2: Convert to fraction form
    1,299,834.50/1,793,738.06 = 719,042.52/x
  3. Step 3: Cross multiply
    1,299,834.50x = 1,793,738.06 × 719,042.52
  4. Step 4: Simplify right side
    1,299,834.50x = 1,289,773,934,882.31
  5. Step 5: Solve for x
    x = 1,289,773,934,882.31/1,299,834.50
  6. Step 6: Final answer
    x = 992,260.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.