Home / 666,994.89-1,000,520.02-193,680.25

Finding the Fourth Proportional to 666,994.89, 1,000,520.02 and 193,680.25

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Solution

The fourth proportional to 666,994.89, 1,000,520.02 and 193,680.25 is: 290,528.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,994.89 : 1,000,520.02 = 193,680.25 : x
  2. Step 2: Convert to fraction form
    666,994.89/1,000,520.02 = 193,680.25/x
  3. Step 3: Cross multiply
    666,994.89x = 1,000,520.02 × 193,680.25
  4. Step 4: Simplify right side
    666,994.89x = 193,780,967,119.40
  5. Step 5: Solve for x
    x = 193,780,967,119.40/666,994.89
  6. Step 6: Final answer
    x = 290,528.41

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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.