Home / 511,218.23-705,483.96-296,485.61

Finding the Fourth Proportional to 511,218.23, 705,483.96 and 296,485.61

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Solution

The fourth proportional to 511,218.23, 705,483.96 and 296,485.61 is: 409,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,218.23 : 705,483.96 = 296,485.61 : x
  2. Step 2: Convert to fraction form
    511,218.23/705,483.96 = 296,485.61/x
  3. Step 3: Cross multiply
    511,218.23x = 705,483.96 × 296,485.61
  4. Step 4: Simplify right side
    511,218.23x = 209,165,842,225.82
  5. Step 5: Solve for x
    x = 209,165,842,225.82/511,218.23
  6. Step 6: Final answer
    x = 409,151.77

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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.