Home / 415,211.11-622,332.78-190,595.26

Finding the Fourth Proportional to 415,211.11, 622,332.78 and 190,595.26

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Solution

The fourth proportional to 415,211.11, 622,332.78 and 190,595.26 is: 285,670.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,211.11 : 622,332.78 = 190,595.26 : x
  2. Step 2: Convert to fraction form
    415,211.11/622,332.78 = 190,595.26/x
  3. Step 3: Cross multiply
    415,211.11x = 622,332.78 × 190,595.26
  4. Step 4: Simplify right side
    415,211.11x = 118,613,678,010.62
  5. Step 5: Solve for x
    x = 118,613,678,010.62/415,211.11
  6. Step 6: Final answer
    x = 285,670.77

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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.