Home / 950,320.75-1,311,475.26-520,600.75

Finding the Fourth Proportional to 950,320.75, 1,311,475.26 and 520,600.75

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Solution

The fourth proportional to 950,320.75, 1,311,475.26 and 520,600.75 is: 718,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,320.75 : 1,311,475.26 = 520,600.75 : x
  2. Step 2: Convert to fraction form
    950,320.75/1,311,475.26 = 520,600.75/x
  3. Step 3: Cross multiply
    950,320.75x = 1,311,475.26 × 520,600.75
  4. Step 4: Simplify right side
    950,320.75x = 682,755,003,962.45
  5. Step 5: Solve for x
    x = 682,755,003,962.45/950,320.75
  6. Step 6: Final answer
    x = 718,446.91

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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.