Home / 1,211,223.40-1,814,793.90-957,531.40

Finding the Fourth Proportional to 1,211,223.40, 1,814,793.90 and 957,531.40

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Solution

The fourth proportional to 1,211,223.40, 1,814,793.90 and 957,531.40 is: 1,434,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,223.40 : 1,814,793.90 = 957,531.40 : x
  2. Step 2: Convert to fraction form
    1,211,223.40/1,814,793.90 = 957,531.40/x
  3. Step 3: Cross multiply
    1,211,223.40x = 1,814,793.90 × 957,531.40
  4. Step 4: Simplify right side
    1,211,223.40x = 1,737,722,143,778.46
  5. Step 5: Solve for x
    x = 1,737,722,143,778.46/1,211,223.40
  6. Step 6: Final answer
    x = 1,434,683.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.