Home / 572,020.96-789,386.76-313,902.24

Finding the Fourth Proportional to 572,020.96, 789,386.76 and 313,902.24

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Solution

The fourth proportional to 572,020.96, 789,386.76 and 313,902.24 is: 433,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,020.96 : 789,386.76 = 313,902.24 : x
  2. Step 2: Convert to fraction form
    572,020.96/789,386.76 = 313,902.24/x
  3. Step 3: Cross multiply
    572,020.96x = 789,386.76 × 313,902.24
  4. Step 4: Simplify right side
    572,020.96x = 247,790,272,190.34
  5. Step 5: Solve for x
    x = 247,790,272,190.34/572,020.96
  6. Step 6: Final answer
    x = 433,183.90

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.