Home / 645,951.68-968,558.29-196,539.65

Finding the Fourth Proportional to 645,951.68, 968,558.29 and 196,539.65

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Solution

The fourth proportional to 645,951.68, 968,558.29 and 196,539.65 is: 294,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,951.68 : 968,558.29 = 196,539.65 : x
  2. Step 2: Convert to fraction form
    645,951.68/968,558.29 = 196,539.65/x
  3. Step 3: Cross multiply
    645,951.68x = 968,558.29 × 196,539.65
  4. Step 4: Simplify right side
    645,951.68x = 190,360,107,321.20
  5. Step 5: Solve for x
    x = 190,360,107,321.20/645,951.68
  6. Step 6: Final answer
    x = 294,697.13

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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.