Home / 1,299,411.80-1,793,192.28-726,452

Finding the Fourth Proportional to 1,299,411.80, 1,793,192.28 and 726,452

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Solution

The fourth proportional to 1,299,411.80, 1,793,192.28 and 726,452 is: 1,002,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,411.80 : 1,793,192.28 = 726,452 : x
  2. Step 2: Convert to fraction form
    1,299,411.80/1,793,192.28 = 726,452/x
  3. Step 3: Cross multiply
    1,299,411.80x = 1,793,192.28 × 726,452
  4. Step 4: Simplify right side
    1,299,411.80x = 1,302,668,118,190.56
  5. Step 5: Solve for x
    x = 1,302,668,118,190.56/1,299,411.80
  6. Step 6: Final answer
    x = 1,002,505.99

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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.