Home / 648,222.97-972,334.42-174,908.31

Finding the Fourth Proportional to 648,222.97, 972,334.42 and 174,908.31

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Solution

The fourth proportional to 648,222.97, 972,334.42 and 174,908.31 is: 262,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,222.97 : 972,334.42 = 174,908.31 : x
  2. Step 2: Convert to fraction form
    648,222.97/972,334.42 = 174,908.31/x
  3. Step 3: Cross multiply
    648,222.97x = 972,334.42 × 174,908.31
  4. Step 4: Simplify right side
    648,222.97x = 170,069,370,157.03
  5. Step 5: Solve for x
    x = 170,069,370,157.03/648,222.97
  6. Step 6: Final answer
    x = 262,362.46

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Double scale
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Similar ratio
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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.