Home / 1,212,535.58-1,673,310.76-668,690.64

Finding the Fourth Proportional to 1,212,535.58, 1,673,310.76 and 668,690.64

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Solution

The fourth proportional to 1,212,535.58, 1,673,310.76 and 668,690.64 is: 922,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,535.58 : 1,673,310.76 = 668,690.64 : x
  2. Step 2: Convert to fraction form
    1,212,535.58/1,673,310.76 = 668,690.64/x
  3. Step 3: Cross multiply
    1,212,535.58x = 1,673,310.76 × 668,690.64
  4. Step 4: Simplify right side
    1,212,535.58x = 1,118,927,241,351.56
  5. Step 5: Solve for x
    x = 1,118,927,241,351.56/1,212,535.58
  6. Step 6: Final answer
    x = 922,799.52

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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.