Home / 1,718,984.88-2,578,478.04-653,780.88

Finding the Fourth Proportional to 1,718,984.88, 2,578,478.04 and 653,780.88

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Solution

The fourth proportional to 1,718,984.88, 2,578,478.04 and 653,780.88 is: 980,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,984.88 : 2,578,478.04 = 653,780.88 : x
  2. Step 2: Convert to fraction form
    1,718,984.88/2,578,478.04 = 653,780.88/x
  3. Step 3: Cross multiply
    1,718,984.88x = 2,578,478.04 × 653,780.88
  4. Step 4: Simplify right side
    1,718,984.88x = 1,685,759,642,051.88
  5. Step 5: Solve for x
    x = 1,685,759,642,051.88/1,718,984.88
  6. Step 6: Final answer
    x = 980,671.59

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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.