Home / 511,217.73-705,483.27-296,485.11

Finding the Fourth Proportional to 511,217.73, 705,483.27 and 296,485.11

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Solution

The fourth proportional to 511,217.73, 705,483.27 and 296,485.11 is: 409,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,217.73 : 705,483.27 = 296,485.11 : x
  2. Step 2: Convert to fraction form
    511,217.73/705,483.27 = 296,485.11/x
  3. Step 3: Cross multiply
    511,217.73x = 705,483.27 × 296,485.11
  4. Step 4: Simplify right side
    511,217.73x = 209,165,284,909.11
  5. Step 5: Solve for x
    x = 209,165,284,909.11/511,217.73
  6. Step 6: Final answer
    x = 409,151.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.