Home / 1,284,942.56-1,773,194.29-711,977.72

Finding the Fourth Proportional to 1,284,942.56, 1,773,194.29 and 711,977.72

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Solution

The fourth proportional to 1,284,942.56, 1,773,194.29 and 711,977.72 is: 982,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,942.56 : 1,773,194.29 = 711,977.72 : x
  2. Step 2: Convert to fraction form
    1,284,942.56/1,773,194.29 = 711,977.72/x
  3. Step 3: Cross multiply
    1,284,942.56x = 1,773,194.29 × 711,977.72
  4. Step 4: Simplify right side
    1,284,942.56x = 1,262,474,817,065.30
  5. Step 5: Solve for x
    x = 1,262,474,817,065.30/1,284,942.56
  6. Step 6: Final answer
    x = 982,514.60

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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.