Home / 1,111,441.54-1,666,968.87-312,533.38

Finding the Fourth Proportional to 1,111,441.54, 1,666,968.87 and 312,533.38

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Solution

The fourth proportional to 1,111,441.54, 1,666,968.87 and 312,533.38 is: 468,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,441.54 : 1,666,968.87 = 312,533.38 : x
  2. Step 2: Convert to fraction form
    1,111,441.54/1,666,968.87 = 312,533.38/x
  3. Step 3: Cross multiply
    1,111,441.54x = 1,666,968.87 × 312,533.38
  4. Step 4: Simplify right side
    1,111,441.54x = 520,983,415,295.88
  5. Step 5: Solve for x
    x = 520,983,415,295.88/1,111,441.54
  6. Step 6: Final answer
    x = 468,745.68

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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.