Home / 645,914.66-968,591.93-196,531.11

Finding the Fourth Proportional to 645,914.66, 968,591.93 and 196,531.11

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Solution

The fourth proportional to 645,914.66, 968,591.93 and 196,531.11 is: 294,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,914.66 : 968,591.93 = 196,531.11 : x
  2. Step 2: Convert to fraction form
    645,914.66/968,591.93 = 196,531.11/x
  3. Step 3: Cross multiply
    645,914.66x = 968,591.93 × 196,531.11
  4. Step 4: Simplify right side
    645,914.66x = 190,358,446,157.29
  5. Step 5: Solve for x
    x = 190,358,446,157.29/645,914.66
  6. Step 6: Final answer
    x = 294,711.45

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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.