Home / 554,415.14-764,918.25-339,330.98

Finding the Fourth Proportional to 554,415.14, 764,918.25 and 339,330.98

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Solution

The fourth proportional to 554,415.14, 764,918.25 and 339,330.98 is: 468,169.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,415.14 : 764,918.25 = 339,330.98 : x
  2. Step 2: Convert to fraction form
    554,415.14/764,918.25 = 339,330.98/x
  3. Step 3: Cross multiply
    554,415.14x = 764,918.25 × 339,330.98
  4. Step 4: Simplify right side
    554,415.14x = 259,560,459,392.39
  5. Step 5: Solve for x
    x = 259,560,459,392.39/554,415.14
  6. Step 6: Final answer
    x = 468,169.86

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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.