Home / 1,285,078.96-1,773,364.35-712,172.44

Finding the Fourth Proportional to 1,285,078.96, 1,773,364.35 and 712,172.44

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Solution

The fourth proportional to 1,285,078.96, 1,773,364.35 and 712,172.44 is: 982,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,078.96 : 1,773,364.35 = 712,172.44 : x
  2. Step 2: Convert to fraction form
    1,285,078.96/1,773,364.35 = 712,172.44/x
  3. Step 3: Cross multiply
    1,285,078.96x = 1,773,364.35 × 712,172.44
  4. Step 4: Simplify right side
    1,285,078.96x = 1,262,941,216,148.51
  5. Step 5: Solve for x
    x = 1,262,941,216,148.51/1,285,078.96
  6. Step 6: Final answer
    x = 982,773.24

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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.