Home / 805,529.34-1,111,601.48-442,949.85

Finding the Fourth Proportional to 805,529.34, 1,111,601.48 and 442,949.85

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Solution

The fourth proportional to 805,529.34, 1,111,601.48 and 442,949.85 is: 611,254.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,529.34 : 1,111,601.48 = 442,949.85 : x
  2. Step 2: Convert to fraction form
    805,529.34/1,111,601.48 = 442,949.85/x
  3. Step 3: Cross multiply
    805,529.34x = 1,111,601.48 × 442,949.85
  4. Step 4: Simplify right side
    805,529.34x = 492,383,706,611.03
  5. Step 5: Solve for x
    x = 492,383,706,611.03/805,529.34
  6. Step 6: Final answer
    x = 611,254.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.