Home / 1,022,811.29-1,534,278.44-312,845.48

Finding the Fourth Proportional to 1,022,811.29, 1,534,278.44 and 312,845.48

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Solution

The fourth proportional to 1,022,811.29, 1,534,278.44 and 312,845.48 is: 469,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,811.29 : 1,534,278.44 = 312,845.48 : x
  2. Step 2: Convert to fraction form
    1,022,811.29/1,534,278.44 = 312,845.48/x
  3. Step 3: Cross multiply
    1,022,811.29x = 1,534,278.44 × 312,845.48
  4. Step 4: Simplify right side
    1,022,811.29x = 479,992,065,779.83
  5. Step 5: Solve for x
    x = 479,992,065,779.83/1,022,811.29
  6. Step 6: Final answer
    x = 469,287.03

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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.