Home / 1,212,529.83-1,673,302.83-668,684.89

Finding the Fourth Proportional to 1,212,529.83, 1,673,302.83 and 668,684.89

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Solution

The fourth proportional to 1,212,529.83, 1,673,302.83 and 668,684.89 is: 922,791.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,529.83 : 1,673,302.83 = 668,684.89 : x
  2. Step 2: Convert to fraction form
    1,212,529.83/1,673,302.83 = 668,684.89/x
  3. Step 3: Cross multiply
    1,212,529.83x = 1,673,302.83 × 668,684.89
  4. Step 4: Simplify right side
    1,212,529.83x = 1,118,912,315,471.81
  5. Step 5: Solve for x
    x = 1,118,912,315,471.81/1,212,529.83
  6. Step 6: Final answer
    x = 922,791.58

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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.