Home / 451,420.92-676,934.53-170,741.34

Finding the Fourth Proportional to 451,420.92, 676,934.53 and 170,741.34

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Solution

The fourth proportional to 451,420.92, 676,934.53 and 170,741.34 is: 256,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,420.92 : 676,934.53 = 170,741.34 : x
  2. Step 2: Convert to fraction form
    451,420.92/676,934.53 = 170,741.34/x
  3. Step 3: Cross multiply
    451,420.92x = 676,934.53 × 170,741.34
  4. Step 4: Simplify right side
    451,420.92x = 115,580,711,496.40
  5. Step 5: Solve for x
    x = 115,580,711,496.40/451,420.92
  6. Step 6: Final answer
    x = 256,037.56

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1.5x scale

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.