Home / 693,264.36-1,039,893.80-219,986.62

Finding the Fourth Proportional to 693,264.36, 1,039,893.80 and 219,986.62

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Solution

The fourth proportional to 693,264.36, 1,039,893.80 and 219,986.62 is: 329,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,264.36 : 1,039,893.80 = 219,986.62 : x
  2. Step 2: Convert to fraction form
    693,264.36/1,039,893.80 = 219,986.62/x
  3. Step 3: Cross multiply
    693,264.36x = 1,039,893.80 × 219,986.62
  4. Step 4: Simplify right side
    693,264.36x = 228,762,722,220.96
  5. Step 5: Solve for x
    x = 228,762,722,220.96/693,264.36
  6. Step 6: Final answer
    x = 329,979.06

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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.