Home / 526,786.40-726,998.15-297,382.55

Finding the Fourth Proportional to 526,786.40, 726,998.15 and 297,382.55

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Solution

The fourth proportional to 526,786.40, 726,998.15 and 297,382.55 is: 410,406.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,786.40 : 726,998.15 = 297,382.55 : x
  2. Step 2: Convert to fraction form
    526,786.40/726,998.15 = 297,382.55/x
  3. Step 3: Cross multiply
    526,786.40x = 726,998.15 × 297,382.55
  4. Step 4: Simplify right side
    526,786.40x = 216,196,565,138.05
  5. Step 5: Solve for x
    x = 216,196,565,138.05/526,786.40
  6. Step 6: Final answer
    x = 410,406.51

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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.