Home / 1,718,990.88-2,578,487.04-653,786.88

Finding the Fourth Proportional to 1,718,990.88, 2,578,487.04 and 653,786.88

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Solution

The fourth proportional to 1,718,990.88, 2,578,487.04 and 653,786.88 is: 980,680.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,990.88 : 2,578,487.04 = 653,786.88 : x
  2. Step 2: Convert to fraction form
    1,718,990.88/2,578,487.04 = 653,786.88/x
  3. Step 3: Cross multiply
    1,718,990.88x = 2,578,487.04 × 653,786.88
  4. Step 4: Simplify right side
    1,718,990.88x = 1,685,780,997,002.04
  5. Step 5: Solve for x
    x = 1,685,780,997,002.04/1,718,990.88
  6. Step 6: Final answer
    x = 980,680.59

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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.