Home / 957,183.55-1,320,896.30-521,604.70

Finding the Fourth Proportional to 957,183.55, 1,320,896.30 and 521,604.70

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Solution

The fourth proportional to 957,183.55, 1,320,896.30 and 521,604.70 is: 719,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,183.55 : 1,320,896.30 = 521,604.70 : x
  2. Step 2: Convert to fraction form
    957,183.55/1,320,896.30 = 521,604.70/x
  3. Step 3: Cross multiply
    957,183.55x = 1,320,896.30 × 521,604.70
  4. Step 4: Simplify right side
    957,183.55x = 688,985,712,382.35
  5. Step 5: Solve for x
    x = 688,985,712,382.35/957,183.55
  6. Step 6: Final answer
    x = 719,805.22

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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.