Home / 511,532.30-705,899.37-282,089.58

Finding the Fourth Proportional to 511,532.30, 705,899.37 and 282,089.58

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Solution

The fourth proportional to 511,532.30, 705,899.37 and 282,089.58 is: 389,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,532.30 : 705,899.37 = 282,089.58 : x
  2. Step 2: Convert to fraction form
    511,532.30/705,899.37 = 282,089.58/x
  3. Step 3: Cross multiply
    511,532.30x = 705,899.37 × 282,089.58
  4. Step 4: Simplify right side
    511,532.30x = 199,126,856,805.57
  5. Step 5: Solve for x
    x = 199,126,856,805.57/511,532.30
  6. Step 6: Final answer
    x = 389,275.24

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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.