Home / 950,561.34-1,311,774.30-520,857.78

Finding the Fourth Proportional to 950,561.34, 1,311,774.30 and 520,857.78

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Solution

The fourth proportional to 950,561.34, 1,311,774.30 and 520,857.78 is: 718,783.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,561.34 : 1,311,774.30 = 520,857.78 : x
  2. Step 2: Convert to fraction form
    950,561.34/1,311,774.30 = 520,857.78/x
  3. Step 3: Cross multiply
    950,561.34x = 1,311,774.30 × 520,857.78
  4. Step 4: Simplify right side
    950,561.34x = 683,247,849,759.05
  5. Step 5: Solve for x
    x = 683,247,849,759.05/950,561.34
  6. Step 6: Final answer
    x = 718,783.55

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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.