Home / 571,747.56-789,060.10-317,180.76

Finding the Fourth Proportional to 571,747.56, 789,060.10 and 317,180.76

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Solution

The fourth proportional to 571,747.56, 789,060.10 and 317,180.76 is: 437,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,747.56 : 789,060.10 = 317,180.76 : x
  2. Step 2: Convert to fraction form
    571,747.56/789,060.10 = 317,180.76/x
  3. Step 3: Cross multiply
    571,747.56x = 789,060.10 × 317,180.76
  4. Step 4: Simplify right side
    571,747.56x = 250,274,682,203.68
  5. Step 5: Solve for x
    x = 250,274,682,203.68/571,747.56
  6. Step 6: Final answer
    x = 437,736.34

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Half scale
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Double scale
Find fourth proportional to 571,748.56, 789,061.48 and 317,181.76
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.