Home / 1,212,846.81-1,673,699.27-668,970.92

Finding the Fourth Proportional to 1,212,846.81, 1,673,699.27 and 668,970.92

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Solution

The fourth proportional to 1,212,846.81, 1,673,699.27 and 668,970.92 is: 923,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,846.81 : 1,673,699.27 = 668,970.92 : x
  2. Step 2: Convert to fraction form
    1,212,846.81/1,673,699.27 = 668,970.92/x
  3. Step 3: Cross multiply
    1,212,846.81x = 1,673,699.27 × 668,970.92
  4. Step 4: Simplify right side
    1,212,846.81x = 1,119,656,128,741.88
  5. Step 5: Solve for x
    x = 1,119,656,128,741.88/1,212,846.81
  6. Step 6: Final answer
    x = 923,163.68

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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.