Home / 526,799.32-726,983.03-285,081.86

Finding the Fourth Proportional to 526,799.32, 726,983.03 and 285,081.86

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Solution

The fourth proportional to 526,799.32, 726,983.03 and 285,081.86 is: 393,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,799.32 : 726,983.03 = 285,081.86 : x
  2. Step 2: Convert to fraction form
    526,799.32/726,983.03 = 285,081.86/x
  3. Step 3: Cross multiply
    526,799.32x = 726,983.03 × 285,081.86
  4. Step 4: Simplify right side
    526,799.32x = 207,249,674,380.84
  5. Step 5: Solve for x
    x = 207,249,674,380.84/526,799.32
  6. Step 6: Final answer
    x = 393,412.95

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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.