Home / 383,430.22-529,071.45-222,253.78

Finding the Fourth Proportional to 383,430.22, 529,071.45 and 222,253.78

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Solution

The fourth proportional to 383,430.22, 529,071.45 and 222,253.78 is: 306,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,430.22 : 529,071.45 = 222,253.78 : x
  2. Step 2: Convert to fraction form
    383,430.22/529,071.45 = 222,253.78/x
  3. Step 3: Cross multiply
    383,430.22x = 529,071.45 × 222,253.78
  4. Step 4: Simplify right side
    383,430.22x = 117,588,129,652.58
  5. Step 5: Solve for x
    x = 117,588,129,652.58/383,430.22
  6. Step 6: Final answer
    x = 306,674.13

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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.