Home / 1,285,297.40-1,773,710.62-712,374.56

Finding the Fourth Proportional to 1,285,297.40, 1,773,710.62 and 712,374.56

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Solution

The fourth proportional to 1,285,297.40, 1,773,710.62 and 712,374.56 is: 983,077.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,297.40 : 1,773,710.62 = 712,374.56 : x
  2. Step 2: Convert to fraction form
    1,285,297.40/1,773,710.62 = 712,374.56/x
  3. Step 3: Cross multiply
    1,285,297.40x = 1,773,710.62 × 712,374.56
  4. Step 4: Simplify right side
    1,285,297.40x = 1,263,546,322,489.83
  5. Step 5: Solve for x
    x = 1,263,546,322,489.83/1,285,297.40
  6. Step 6: Final answer
    x = 983,077.01

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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.