Home / 526,583.90-726,689.22-322,635.26

Finding the Fourth Proportional to 526,583.90, 726,689.22 and 322,635.26

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Solution

The fourth proportional to 526,583.90, 726,689.22 and 322,635.26 is: 445,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,583.90 : 726,689.22 = 322,635.26 : x
  2. Step 2: Convert to fraction form
    526,583.90/726,689.22 = 322,635.26/x
  3. Step 3: Cross multiply
    526,583.90x = 726,689.22 × 322,635.26
  4. Step 4: Simplify right side
    526,583.90x = 234,455,565,433.90
  5. Step 5: Solve for x
    x = 234,455,565,433.90/526,583.90
  6. Step 6: Final answer
    x = 445,238.77

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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.