Home / 753,896.80-1,130,845.20-192,931.30

Finding the Fourth Proportional to 753,896.80, 1,130,845.20 and 192,931.30

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Solution

The fourth proportional to 753,896.80, 1,130,845.20 and 192,931.30 is: 289,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,896.80 : 1,130,845.20 = 192,931.30 : x
  2. Step 2: Convert to fraction form
    753,896.80/1,130,845.20 = 192,931.30/x
  3. Step 3: Cross multiply
    753,896.80x = 1,130,845.20 × 192,931.30
  4. Step 4: Simplify right side
    753,896.80x = 218,175,434,534.76
  5. Step 5: Solve for x
    x = 218,175,434,534.76/753,896.80
  6. Step 6: Final answer
    x = 289,396.95

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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.