Home / 656,828.92-985,612.38-357,330.44

Finding the Fourth Proportional to 656,828.92, 985,612.38 and 357,330.44

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Solution

The fourth proportional to 656,828.92, 985,612.38 and 357,330.44 is: 536,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,828.92 : 985,612.38 = 357,330.44 : x
  2. Step 2: Convert to fraction form
    656,828.92/985,612.38 = 357,330.44/x
  3. Step 3: Cross multiply
    656,828.92x = 985,612.38 × 357,330.44
  4. Step 4: Simplify right side
    656,828.92x = 352,189,305,414.85
  5. Step 5: Solve for x
    x = 352,189,305,414.85/656,828.92
  6. Step 6: Final answer
    x = 536,196.40

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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.