Home / 511,829.18-706,550.75-330,629.45

Finding the Fourth Proportional to 511,829.18, 706,550.75 and 330,629.45

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Solution

The fourth proportional to 511,829.18, 706,550.75 and 330,629.45 is: 456,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,829.18 : 706,550.75 = 330,629.45 : x
  2. Step 2: Convert to fraction form
    511,829.18/706,550.75 = 330,629.45/x
  3. Step 3: Cross multiply
    511,829.18x = 706,550.75 × 330,629.45
  4. Step 4: Simplify right side
    511,829.18x = 233,606,481,923.55
  5. Step 5: Solve for x
    x = 233,606,481,923.55/511,829.18
  6. Step 6: Final answer
    x = 456,414.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.