Home / 775,753.50-1,070,529.30-436,222.56

Finding the Fourth Proportional to 775,753.50, 1,070,529.30 and 436,222.56

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Solution

The fourth proportional to 775,753.50, 1,070,529.30 and 436,222.56 is: 601,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,753.50 : 1,070,529.30 = 436,222.56 : x
  2. Step 2: Convert to fraction form
    775,753.50/1,070,529.30 = 436,222.56/x
  3. Step 3: Cross multiply
    775,753.50x = 1,070,529.30 × 436,222.56
  4. Step 4: Simplify right side
    775,753.50x = 466,989,031,801.01
  5. Step 5: Solve for x
    x = 466,989,031,801.01/775,753.50
  6. Step 6: Final answer
    x = 601,981.21

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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.