Home / 628,250.67-942,481.85-291,154.59

Finding the Fourth Proportional to 628,250.67, 942,481.85 and 291,154.59

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Solution

The fourth proportional to 628,250.67, 942,481.85 and 291,154.59 is: 436,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,250.67 : 942,481.85 = 291,154.59 : x
  2. Step 2: Convert to fraction form
    628,250.67/942,481.85 = 291,154.59/x
  3. Step 3: Cross multiply
    628,250.67x = 942,481.85 × 291,154.59
  4. Step 4: Simplify right side
    628,250.67x = 274,407,915,163.42
  5. Step 5: Solve for x
    x = 274,407,915,163.42/628,250.67
  6. Step 6: Final answer
    x = 436,780.94

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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.