Home / 422,386.08-635,377.07-382,881.45

Finding the Fourth Proportional to 422,386.08, 635,377.07 and 382,881.45

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Solution

The fourth proportional to 422,386.08, 635,377.07 and 382,881.45 is: 575,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,386.08 : 635,377.07 = 382,881.45 : x
  2. Step 2: Convert to fraction form
    422,386.08/635,377.07 = 382,881.45/x
  3. Step 3: Cross multiply
    422,386.08x = 635,377.07 × 382,881.45
  4. Step 4: Simplify right side
    422,386.08x = 243,274,091,943.94
  5. Step 5: Solve for x
    x = 243,274,091,943.94/422,386.08
  6. Step 6: Final answer
    x = 575,951.97

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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.