Home / 1,720,751.61-2,578,802.30-655,212.41

Finding the Fourth Proportional to 1,720,751.61, 2,578,802.30 and 655,212.41

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Solution

The fourth proportional to 1,720,751.61, 2,578,802.30 and 655,212.41 is: 981,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,751.61 : 2,578,802.30 = 655,212.41 : x
  2. Step 2: Convert to fraction form
    1,720,751.61/2,578,802.30 = 655,212.41/x
  3. Step 3: Cross multiply
    1,720,751.61x = 2,578,802.30 × 655,212.41
  4. Step 4: Simplify right side
    1,720,751.61x = 1,689,663,253,726.47
  5. Step 5: Solve for x
    x = 1,689,663,253,726.47/1,720,751.61
  6. Step 6: Final answer
    x = 981,933.27

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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.