Home / 383,255.89-528,776.03-222,079.79

Finding the Fourth Proportional to 383,255.89, 528,776.03 and 222,079.79

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Solution

The fourth proportional to 383,255.89, 528,776.03 and 222,079.79 is: 306,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,255.89 : 528,776.03 = 222,079.79 : x
  2. Step 2: Convert to fraction form
    383,255.89/528,776.03 = 222,079.79/x
  3. Step 3: Cross multiply
    383,255.89x = 528,776.03 × 222,079.79
  4. Step 4: Simplify right side
    383,255.89x = 117,430,471,576.57
  5. Step 5: Solve for x
    x = 117,430,471,576.57/383,255.89
  6. Step 6: Final answer
    x = 306,402.26

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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.