Home / 1,015,920-1,523,705.76-476,231.04

Finding the Fourth Proportional to 1,015,920, 1,523,705.76 and 476,231.04

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Solution

The fourth proportional to 1,015,920, 1,523,705.76 and 476,231.04 is: 714,264.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,920 : 1,523,705.76 = 476,231.04 : x
  2. Step 2: Convert to fraction form
    1,015,920/1,523,705.76 = 476,231.04/x
  3. Step 3: Cross multiply
    1,015,920x = 1,523,705.76 × 476,231.04
  4. Step 4: Simplify right side
    1,015,920x = 725,635,978,738.79
  5. Step 5: Solve for x
    x = 725,635,978,738.79/1,015,920
  6. Step 6: Final answer
    x = 714,264.88

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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.