Home / 1,195,516.72-1,649,763.45-651,640.57

Finding the Fourth Proportional to 1,195,516.72, 1,649,763.45 and 651,640.57

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Solution

The fourth proportional to 1,195,516.72, 1,649,763.45 and 651,640.57 is: 899,236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,516.72 : 1,649,763.45 = 651,640.57 : x
  2. Step 2: Convert to fraction form
    1,195,516.72/1,649,763.45 = 651,640.57/x
  3. Step 3: Cross multiply
    1,195,516.72x = 1,649,763.45 × 651,640.57
  4. Step 4: Simplify right side
    1,195,516.72x = 1,075,052,795,438.72
  5. Step 5: Solve for x
    x = 1,075,052,795,438.72/1,195,516.72
  6. Step 6: Final answer
    x = 899,236.94

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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.