Home / 383,531.36-529,258.84-222,393.20

Finding the Fourth Proportional to 383,531.36, 529,258.84 and 222,393.20

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Solution

The fourth proportional to 383,531.36, 529,258.84 and 222,393.20 is: 306,894.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,531.36 : 529,258.84 = 222,393.20 : x
  2. Step 2: Convert to fraction form
    383,531.36/529,258.84 = 222,393.20/x
  3. Step 3: Cross multiply
    383,531.36x = 529,258.84 × 222,393.20
  4. Step 4: Simplify right side
    383,531.36x = 117,703,567,055.89
  5. Step 5: Solve for x
    x = 117,703,567,055.89/383,531.36
  6. Step 6: Final answer
    x = 306,894.24

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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.