Home / 1,223,158.70-1,834,738.05-717,961.70

Finding the Fourth Proportional to 1,223,158.70, 1,834,738.05 and 717,961.70

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Solution

The fourth proportional to 1,223,158.70, 1,834,738.05 and 717,961.70 is: 1,076,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,158.70 : 1,834,738.05 = 717,961.70 : x
  2. Step 2: Convert to fraction form
    1,223,158.70/1,834,738.05 = 717,961.70/x
  3. Step 3: Cross multiply
    1,223,158.70x = 1,834,738.05 × 717,961.70
  4. Step 4: Simplify right side
    1,223,158.70x = 1,317,271,649,432.69
  5. Step 5: Solve for x
    x = 1,317,271,649,432.69/1,223,158.70
  6. Step 6: Final answer
    x = 1,076,942.55

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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.