Home / 1,086,877.70-1,630,315.20-412,797.84

Finding the Fourth Proportional to 1,086,877.70, 1,630,315.20 and 412,797.84

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Solution

The fourth proportional to 1,086,877.70, 1,630,315.20 and 412,797.84 is: 619,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,877.70 : 1,630,315.20 = 412,797.84 : x
  2. Step 2: Convert to fraction form
    1,086,877.70/1,630,315.20 = 412,797.84/x
  3. Step 3: Cross multiply
    1,086,877.70x = 1,630,315.20 × 412,797.84
  4. Step 4: Simplify right side
    1,086,877.70x = 672,990,593,079.17
  5. Step 5: Solve for x
    x = 672,990,593,079.17/1,086,877.70
  6. Step 6: Final answer
    x = 619,196.25

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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.