Home / 1,022,769.13-1,533,907.66-312,803.32

Finding the Fourth Proportional to 1,022,769.13, 1,533,907.66 and 312,803.32

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Solution

The fourth proportional to 1,022,769.13, 1,533,907.66 and 312,803.32 is: 469,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,769.13 : 1,533,907.66 = 312,803.32 : x
  2. Step 2: Convert to fraction form
    1,022,769.13/1,533,907.66 = 312,803.32/x
  3. Step 3: Cross multiply
    1,022,769.13x = 1,533,907.66 × 312,803.32
  4. Step 4: Simplify right side
    1,022,769.13x = 479,811,410,147.81
  5. Step 5: Solve for x
    x = 479,811,410,147.81/1,022,769.13
  6. Step 6: Final answer
    x = 469,129.73

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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.