Home / 626,082.30-863,660.34-381,141.54

Finding the Fourth Proportional to 626,082.30, 863,660.34 and 381,141.54

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Solution

The fourth proportional to 626,082.30, 863,660.34 and 381,141.54 is: 525,772.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,082.30 : 863,660.34 = 381,141.54 : x
  2. Step 2: Convert to fraction form
    626,082.30/863,660.34 = 381,141.54/x
  3. Step 3: Cross multiply
    626,082.30x = 863,660.34 × 381,141.54
  4. Step 4: Simplify right side
    626,082.30x = 329,176,832,024.52
  5. Step 5: Solve for x
    x = 329,176,832,024.52/626,082.30
  6. Step 6: Final answer
    x = 525,772.46

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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.