Home / 685,500.08-1,028,031.04-236,112.92

Finding the Fourth Proportional to 685,500.08, 1,028,031.04 and 236,112.92

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Solution

The fourth proportional to 685,500.08, 1,028,031.04 and 236,112.92 is: 354,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,500.08 : 1,028,031.04 = 236,112.92 : x
  2. Step 2: Convert to fraction form
    685,500.08/1,028,031.04 = 236,112.92/x
  3. Step 3: Cross multiply
    685,500.08x = 1,028,031.04 × 236,112.92
  4. Step 4: Simplify right side
    685,500.08x = 242,731,410,705.04
  5. Step 5: Solve for x
    x = 242,731,410,705.04/685,500.08
  6. Step 6: Final answer
    x = 354,093.92

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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.