Home / 765,003.20-1,146,455.03-484,017.44

Finding the Fourth Proportional to 765,003.20, 1,146,455.03 and 484,017.44

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Solution

The fourth proportional to 765,003.20, 1,146,455.03 and 484,017.44 is: 725,361.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,003.20 : 1,146,455.03 = 484,017.44 : x
  2. Step 2: Convert to fraction form
    765,003.20/1,146,455.03 = 484,017.44/x
  3. Step 3: Cross multiply
    765,003.20x = 1,146,455.03 × 484,017.44
  4. Step 4: Simplify right side
    765,003.20x = 554,904,228,695.72
  5. Step 5: Solve for x
    x = 554,904,228,695.72/765,003.20
  6. Step 6: Final answer
    x = 725,361.97

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1.5x scale

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.