Home / 950,446.76-1,311,616.50-520,743.16

Finding the Fourth Proportional to 950,446.76, 1,311,616.50 and 520,743.16

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Solution

The fourth proportional to 950,446.76, 1,311,616.50 and 520,743.16 is: 718,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,446.76 : 1,311,616.50 = 520,743.16 : x
  2. Step 2: Convert to fraction form
    950,446.76/1,311,616.50 = 520,743.16/x
  3. Step 3: Cross multiply
    950,446.76x = 1,311,616.50 × 520,743.16
  4. Step 4: Simplify right side
    950,446.76x = 683,015,320,918.14
  5. Step 5: Solve for x
    x = 683,015,320,918.14/950,446.76
  6. Step 6: Final answer
    x = 718,625.55

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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.