Home / 891,997.15-1,230,956.70-484,098.88

Finding the Fourth Proportional to 891,997.15, 1,230,956.70 and 484,098.88

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Solution

The fourth proportional to 891,997.15, 1,230,956.70 and 484,098.88 is: 668,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,997.15 : 1,230,956.70 = 484,098.88 : x
  2. Step 2: Convert to fraction form
    891,997.15/1,230,956.70 = 484,098.88/x
  3. Step 3: Cross multiply
    891,997.15x = 1,230,956.70 × 484,098.88
  4. Step 4: Simplify right side
    891,997.15x = 595,904,759,798.50
  5. Step 5: Solve for x
    x = 595,904,759,798.50/891,997.15
  6. Step 6: Final answer
    x = 668,056.80

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1.5x scale

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.