Home / 526,718.26-726,869.19-285,001.30

Finding the Fourth Proportional to 526,718.26, 726,869.19 and 285,001.30

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Solution

The fourth proportional to 526,718.26, 726,869.19 and 285,001.30 is: 393,300.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,718.26 : 726,869.19 = 285,001.30 : x
  2. Step 2: Convert to fraction form
    526,718.26/726,869.19 = 285,001.30/x
  3. Step 3: Cross multiply
    526,718.26x = 726,869.19 × 285,001.30
  4. Step 4: Simplify right side
    526,718.26x = 207,158,664,079.95
  5. Step 5: Solve for x
    x = 207,158,664,079.95/526,718.26
  6. Step 6: Final answer
    x = 393,300.71

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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.