Home / 1,022,768.94-1,533,907.38-312,803.13

Finding the Fourth Proportional to 1,022,768.94, 1,533,907.38 and 312,803.13

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Solution

The fourth proportional to 1,022,768.94, 1,533,907.38 and 312,803.13 is: 469,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,768.94 : 1,533,907.38 = 312,803.13 : x
  2. Step 2: Convert to fraction form
    1,022,768.94/1,533,907.38 = 312,803.13/x
  3. Step 3: Cross multiply
    1,022,768.94x = 1,533,907.38 × 312,803.13
  4. Step 4: Simplify right side
    1,022,768.94x = 479,811,034,759.75
  5. Step 5: Solve for x
    x = 479,811,034,759.75/1,022,768.94
  6. Step 6: Final answer
    x = 469,129.45

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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.