Home / 856,141.28-1,181,472.01-493,563.41

Finding the Fourth Proportional to 856,141.28, 1,181,472.01 and 493,563.41

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Solution

The fourth proportional to 856,141.28, 1,181,472.01 and 493,563.41 is: 681,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,141.28 : 1,181,472.01 = 493,563.41 : x
  2. Step 2: Convert to fraction form
    856,141.28/1,181,472.01 = 493,563.41/x
  3. Step 3: Cross multiply
    856,141.28x = 1,181,472.01 × 493,563.41
  4. Step 4: Simplify right side
    856,141.28x = 583,131,354,075.15
  5. Step 5: Solve for x
    x = 583,131,354,075.15/856,141.28
  6. Step 6: Final answer
    x = 681,115.80

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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.