Home / 613,128.08-846,104.22-383,811.84

Finding the Fourth Proportional to 613,128.08, 846,104.22 and 383,811.84

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Solution

The fourth proportional to 613,128.08, 846,104.22 and 383,811.84 is: 529,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,128.08 : 846,104.22 = 383,811.84 : x
  2. Step 2: Convert to fraction form
    613,128.08/846,104.22 = 383,811.84/x
  3. Step 3: Cross multiply
    613,128.08x = 846,104.22 × 383,811.84
  4. Step 4: Simplify right side
    613,128.08x = 324,744,817,509.97
  5. Step 5: Solve for x
    x = 324,744,817,509.97/613,128.08
  6. Step 6: Final answer
    x = 529,652.49

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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.