Home / 645,766.36-968,796.96-196,550.89

Finding the Fourth Proportional to 645,766.36, 968,796.96 and 196,550.89

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Solution

The fourth proportional to 645,766.36, 968,796.96 and 196,550.89 is: 294,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,766.36 : 968,796.96 = 196,550.89 : x
  2. Step 2: Convert to fraction form
    645,766.36/968,796.96 = 196,550.89/x
  3. Step 3: Cross multiply
    645,766.36x = 968,796.96 × 196,550.89
  4. Step 4: Simplify right side
    645,766.36x = 190,417,904,717.29
  5. Step 5: Solve for x
    x = 190,417,904,717.29/645,766.36
  6. Step 6: Final answer
    x = 294,871.20

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1.5x scale

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.