Home / 683,849.64-943,734.21-373,745.42

Finding the Fourth Proportional to 683,849.64, 943,734.21 and 373,745.42

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Solution

The fourth proportional to 683,849.64, 943,734.21 and 373,745.42 is: 515,780.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,849.64 : 943,734.21 = 373,745.42 : x
  2. Step 2: Convert to fraction form
    683,849.64/943,734.21 = 373,745.42/x
  3. Step 3: Cross multiply
    683,849.64x = 943,734.21 × 373,745.42
  4. Step 4: Simplify right side
    683,849.64x = 352,716,336,816.09
  5. Step 5: Solve for x
    x = 352,716,336,816.09/683,849.64
  6. Step 6: Final answer
    x = 515,780.54

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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.