Home / 645,557.07-968,389.82-196,281.84

Finding the Fourth Proportional to 645,557.07, 968,389.82 and 196,281.84

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Solution

The fourth proportional to 645,557.07, 968,389.82 and 196,281.84 is: 294,439.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,557.07 : 968,389.82 = 196,281.84 : x
  2. Step 2: Convert to fraction form
    645,557.07/968,389.82 = 196,281.84/x
  3. Step 3: Cross multiply
    645,557.07x = 968,389.82 × 196,281.84
  4. Step 4: Simplify right side
    645,557.07x = 190,077,336,921.43
  5. Step 5: Solve for x
    x = 190,077,336,921.43/645,557.07
  6. Step 6: Final answer
    x = 294,439.24

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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.