Home / 769,499.58-1,154,191.05-270,513.66

Finding the Fourth Proportional to 769,499.58, 1,154,191.05 and 270,513.66

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Solution

The fourth proportional to 769,499.58, 1,154,191.05 and 270,513.66 is: 405,749.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,499.58 : 1,154,191.05 = 270,513.66 : x
  2. Step 2: Convert to fraction form
    769,499.58/1,154,191.05 = 270,513.66/x
  3. Step 3: Cross multiply
    769,499.58x = 1,154,191.05 × 270,513.66
  4. Step 4: Simplify right side
    769,499.58x = 312,224,445,274.74
  5. Step 5: Solve for x
    x = 312,224,445,274.74/769,499.58
  6. Step 6: Final answer
    x = 405,749.99

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.