Home / 685,392.57-1,028,057.81-179,941.64

Finding the Fourth Proportional to 685,392.57, 1,028,057.81 and 179,941.64

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Solution

The fourth proportional to 685,392.57, 1,028,057.81 and 179,941.64 is: 269,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,392.57 : 1,028,057.81 = 179,941.64 : x
  2. Step 2: Convert to fraction form
    685,392.57/1,028,057.81 = 179,941.64/x
  3. Step 3: Cross multiply
    685,392.57x = 1,028,057.81 × 179,941.64
  4. Step 4: Simplify right side
    685,392.57x = 184,990,402,306.21
  5. Step 5: Solve for x
    x = 184,990,402,306.21/685,392.57
  6. Step 6: Final answer
    x = 269,904.30

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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.