Home / 415,210.11-622,331.28-190,594.26

Finding the Fourth Proportional to 415,210.11, 622,331.28 and 190,594.26

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Solution

The fourth proportional to 415,210.11, 622,331.28 and 190,594.26 is: 285,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,210.11 : 622,331.28 = 190,594.26 : x
  2. Step 2: Convert to fraction form
    415,210.11/622,331.28 = 190,594.26/x
  3. Step 3: Cross multiply
    415,210.11x = 622,331.28 × 190,594.26
  4. Step 4: Simplify right side
    415,210.11x = 118,612,769,786.45
  5. Step 5: Solve for x
    x = 118,612,769,786.45/415,210.11
  6. Step 6: Final answer
    x = 285,669.27

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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.