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Finding the Fourth Proportional to 893,215.76, 1,337,438.04 and 751,498

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Solution

The fourth proportional to 893,215.76, 1,337,438.04 and 751,498 is: 1,125,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,215.76 : 1,337,438.04 = 751,498 : x
  2. Step 2: Convert to fraction form
    893,215.76/1,337,438.04 = 751,498/x
  3. Step 3: Cross multiply
    893,215.76x = 1,337,438.04 × 751,498
  4. Step 4: Simplify right side
    893,215.76x = 1,005,082,012,183.92
  5. Step 5: Solve for x
    x = 1,005,082,012,183.92/893,215.76
  6. Step 6: Final answer
    x = 1,125,239.90

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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.