Home / 1,212,154.92-1,672,696.71-668,260.98

Finding the Fourth Proportional to 1,212,154.92, 1,672,696.71 and 668,260.98

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Solution

The fourth proportional to 1,212,154.92, 1,672,696.71 and 668,260.98 is: 922,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,154.92 : 1,672,696.71 = 668,260.98 : x
  2. Step 2: Convert to fraction form
    1,212,154.92/1,672,696.71 = 668,260.98/x
  3. Step 3: Cross multiply
    1,212,154.92x = 1,672,696.71 × 668,260.98
  4. Step 4: Simplify right side
    1,212,154.92x = 1,117,797,942,667.38
  5. Step 5: Solve for x
    x = 1,117,797,942,667.38/1,212,154.92
  6. Step 6: Final answer
    x = 922,157.66

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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.