Home / 752,442.43-1,128,830.91-352,870.24

Finding the Fourth Proportional to 752,442.43, 1,128,830.91 and 352,870.24

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Solution

The fourth proportional to 752,442.43, 1,128,830.91 and 352,870.24 is: 529,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,442.43 : 1,128,830.91 = 352,870.24 : x
  2. Step 2: Convert to fraction form
    752,442.43/1,128,830.91 = 352,870.24/x
  3. Step 3: Cross multiply
    752,442.43x = 1,128,830.91 × 352,870.24
  4. Step 4: Simplify right side
    752,442.43x = 398,330,834,131.12
  5. Step 5: Solve for x
    x = 398,330,834,131.12/752,442.43
  6. Step 6: Final answer
    x = 529,383.80

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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.