Home / 383,386.43-529,075.37-222,336.96

Finding the Fourth Proportional to 383,386.43, 529,075.37 and 222,336.96

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Solution

The fourth proportional to 383,386.43, 529,075.37 and 222,336.96 is: 306,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,386.43 : 529,075.37 = 222,336.96 : x
  2. Step 2: Convert to fraction form
    383,386.43/529,075.37 = 222,336.96/x
  3. Step 3: Cross multiply
    383,386.43x = 529,075.37 × 222,336.96
  4. Step 4: Simplify right side
    383,386.43x = 117,633,009,376.68
  5. Step 5: Solve for x
    x = 117,633,009,376.68/383,386.43
  6. Step 6: Final answer
    x = 306,826.22

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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.