Home / 648,150.51-970,923.58-322,957.75

Finding the Fourth Proportional to 648,150.51, 970,923.58 and 322,957.75

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Solution

The fourth proportional to 648,150.51, 970,923.58 and 322,957.75 is: 483,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,150.51 : 970,923.58 = 322,957.75 : x
  2. Step 2: Convert to fraction form
    648,150.51/970,923.58 = 322,957.75/x
  3. Step 3: Cross multiply
    648,150.51x = 970,923.58 × 322,957.75
  4. Step 4: Simplify right side
    648,150.51x = 313,567,294,818.75
  5. Step 5: Solve for x
    x = 313,567,294,818.75/648,150.51
  6. Step 6: Final answer
    x = 483,787.78

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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.