Home / 526,739.22-726,899.27-297,344.79

Finding the Fourth Proportional to 526,739.22, 726,899.27 and 297,344.79

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Solution

The fourth proportional to 526,739.22, 726,899.27 and 297,344.79 is: 410,335.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,739.22 : 726,899.27 = 297,344.79 : x
  2. Step 2: Convert to fraction form
    526,739.22/726,899.27 = 297,344.79/x
  3. Step 3: Cross multiply
    526,739.22x = 726,899.27 × 297,344.79
  4. Step 4: Simplify right side
    526,739.22x = 216,139,709,302.58
  5. Step 5: Solve for x
    x = 216,139,709,302.58/526,739.22
  6. Step 6: Final answer
    x = 410,335.33

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1.5x scale

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.