Home / 693,311.33-1,039,966.52-261,110.32

Finding the Fourth Proportional to 693,311.33, 1,039,966.52 and 261,110.32

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Solution

The fourth proportional to 693,311.33, 1,039,966.52 and 261,110.32 is: 391,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,311.33 : 1,039,966.52 = 261,110.32 : x
  2. Step 2: Convert to fraction form
    693,311.33/1,039,966.52 = 261,110.32/x
  3. Step 3: Cross multiply
    693,311.33x = 1,039,966.52 × 261,110.32
  4. Step 4: Simplify right side
    693,311.33x = 271,545,990,826.49
  5. Step 5: Solve for x
    x = 271,545,990,826.49/693,311.33
  6. Step 6: Final answer
    x = 391,665.30

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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.