Home / 645,769.86-968,802.22-196,554.40

Finding the Fourth Proportional to 645,769.86, 968,802.22 and 196,554.40

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Solution

The fourth proportional to 645,769.86, 968,802.22 and 196,554.40 is: 294,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,769.86 : 968,802.22 = 196,554.40 : x
  2. Step 2: Convert to fraction form
    645,769.86/968,802.22 = 196,554.40/x
  3. Step 3: Cross multiply
    645,769.86x = 968,802.22 × 196,554.40
  4. Step 4: Simplify right side
    645,769.86x = 190,422,339,070.77
  5. Step 5: Solve for x
    x = 190,422,339,070.77/645,769.86
  6. Step 6: Final answer
    x = 294,876.47

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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.