Home / 693,184.90-1,039,769.09-219,874.36

Finding the Fourth Proportional to 693,184.90, 1,039,769.09 and 219,874.36

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Solution

The fourth proportional to 693,184.90, 1,039,769.09 and 219,874.36 is: 329,808.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,184.90 : 1,039,769.09 = 219,874.36 : x
  2. Step 2: Convert to fraction form
    693,184.90/1,039,769.09 = 219,874.36/x
  3. Step 3: Cross multiply
    693,184.90x = 1,039,769.09 × 219,874.36
  4. Step 4: Simplify right side
    693,184.90x = 228,618,563,211.53
  5. Step 5: Solve for x
    x = 228,618,563,211.53/693,184.90
  6. Step 6: Final answer
    x = 329,808.92

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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.