Home / 645,784.36-968,823.96-196,568.89

Finding the Fourth Proportional to 645,784.36, 968,823.96 and 196,568.89

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Solution

The fourth proportional to 645,784.36, 968,823.96 and 196,568.89 is: 294,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,784.36 : 968,823.96 = 196,568.89 : x
  2. Step 2: Convert to fraction form
    645,784.36/968,823.96 = 196,568.89/x
  3. Step 3: Cross multiply
    645,784.36x = 968,823.96 × 196,568.89
  4. Step 4: Simplify right side
    645,784.36x = 190,440,650,422.60
  5. Step 5: Solve for x
    x = 190,440,650,422.60/645,784.36
  6. Step 6: Final answer
    x = 294,898.21

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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.