Home / 591,277.20-885,749.40-353,914.80

Finding the Fourth Proportional to 591,277.20, 885,749.40 and 353,914.80

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Solution

The fourth proportional to 591,277.20, 885,749.40 and 353,914.80 is: 530,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,277.20 : 885,749.40 = 353,914.80 : x
  2. Step 2: Convert to fraction form
    591,277.20/885,749.40 = 353,914.80/x
  3. Step 3: Cross multiply
    591,277.20x = 885,749.40 × 353,914.80
  4. Step 4: Simplify right side
    591,277.20x = 313,479,821,751.12
  5. Step 5: Solve for x
    x = 313,479,821,751.12/591,277.20
  6. Step 6: Final answer
    x = 530,174.04

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Double scale
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Similar ratio
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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.