Home / 554,001.51-764,351.96-338,917.35

Finding the Fourth Proportional to 554,001.51, 764,351.96 and 338,917.35

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Solution

The fourth proportional to 554,001.51, 764,351.96 and 338,917.35 is: 467,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,001.51 : 764,351.96 = 338,917.35 : x
  2. Step 2: Convert to fraction form
    554,001.51/764,351.96 = 338,917.35/x
  3. Step 3: Cross multiply
    554,001.51x = 764,351.96 × 338,917.35
  4. Step 4: Simplify right side
    554,001.51x = 259,052,139,055.92
  5. Step 5: Solve for x
    x = 259,052,139,055.92/554,001.51
  6. Step 6: Final answer
    x = 467,601.86

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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.