Home / 619,051.51-928,578.63-169,778.84

Finding the Fourth Proportional to 619,051.51, 928,578.63 and 169,778.84

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Solution

The fourth proportional to 619,051.51, 928,578.63 and 169,778.84 is: 254,668.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,051.51 : 928,578.63 = 169,778.84 : x
  2. Step 2: Convert to fraction form
    619,051.51/928,578.63 = 169,778.84/x
  3. Step 3: Cross multiply
    619,051.51x = 928,578.63 × 169,778.84
  4. Step 4: Simplify right side
    619,051.51x = 157,652,998,643.97
  5. Step 5: Solve for x
    x = 157,652,998,643.97/619,051.51
  6. Step 6: Final answer
    x = 254,668.63

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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.