Home / 415,268.71-622,417.14-190,650.83

Finding the Fourth Proportional to 415,268.71, 622,417.14 and 190,650.83

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Solution

The fourth proportional to 415,268.71, 622,417.14 and 190,650.83 is: 285,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,268.71 : 622,417.14 = 190,650.83 : x
  2. Step 2: Convert to fraction form
    415,268.71/622,417.14 = 190,650.83/x
  3. Step 3: Cross multiply
    415,268.71x = 622,417.14 × 190,650.83
  4. Step 4: Simplify right side
    415,268.71x = 118,664,344,347.23
  5. Step 5: Solve for x
    x = 118,664,344,347.23/415,268.71
  6. Step 6: Final answer
    x = 285,753.16

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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.