Home / 526,426.83-726,558.35-297,049.14

Finding the Fourth Proportional to 526,426.83, 726,558.35 and 297,049.14

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Solution

The fourth proportional to 526,426.83, 726,558.35 and 297,049.14 is: 409,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,426.83 : 726,558.35 = 297,049.14 : x
  2. Step 2: Convert to fraction form
    526,426.83/726,558.35 = 297,049.14/x
  3. Step 3: Cross multiply
    526,426.83x = 726,558.35 × 297,049.14
  4. Step 4: Simplify right side
    526,426.83x = 215,823,531,542.07
  5. Step 5: Solve for x
    x = 215,823,531,542.07/526,426.83
  6. Step 6: Final answer
    x = 409,978.21

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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.