Home / 693,264.86-1,039,894.55-219,987.12

Finding the Fourth Proportional to 693,264.86, 1,039,894.55 and 219,987.12

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Solution

The fourth proportional to 693,264.86, 1,039,894.55 and 219,987.12 is: 329,979.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,264.86 : 1,039,894.55 = 219,987.12 : x
  2. Step 2: Convert to fraction form
    693,264.86/1,039,894.55 = 219,987.12/x
  3. Step 3: Cross multiply
    693,264.86x = 1,039,894.55 × 219,987.12
  4. Step 4: Simplify right side
    693,264.86x = 228,763,407,158.20
  5. Step 5: Solve for x
    x = 228,763,407,158.20/693,264.86
  6. Step 6: Final answer
    x = 329,979.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.