Home / 1,009,704.82-1,393,267.56-617,434.92

Finding the Fourth Proportional to 1,009,704.82, 1,393,267.56 and 617,434.92

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Solution

The fourth proportional to 1,009,704.82, 1,393,267.56 and 617,434.92 is: 851,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,704.82 : 1,393,267.56 = 617,434.92 : x
  2. Step 2: Convert to fraction form
    1,009,704.82/1,393,267.56 = 617,434.92/x
  3. Step 3: Cross multiply
    1,009,704.82x = 1,393,267.56 × 617,434.92
  4. Step 4: Simplify right side
    1,009,704.82x = 860,252,044,447.20
  5. Step 5: Solve for x
    x = 860,252,044,447.20/1,009,704.82
  6. Step 6: Final answer
    x = 851,983.70

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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.