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Finding the Fourth Proportional to 1,512,512.76, 2,087,311.34 and 833,493

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Solution

The fourth proportional to 1,512,512.76, 2,087,311.34 and 833,493 is: 1,150,244.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,512.76 : 2,087,311.34 = 833,493 : x
  2. Step 2: Convert to fraction form
    1,512,512.76/2,087,311.34 = 833,493/x
  3. Step 3: Cross multiply
    1,512,512.76x = 2,087,311.34 × 833,493
  4. Step 4: Simplify right side
    1,512,512.76x = 1,739,759,390,710.62
  5. Step 5: Solve for x
    x = 1,739,759,390,710.62/1,512,512.76
  6. Step 6: Final answer
    x = 1,150,244.44

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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.