Home / 1,255,604.70-1,883,407.05-1,098,140.70

Finding the Fourth Proportional to 1,255,604.70, 1,883,407.05 and 1,098,140.70

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Solution

The fourth proportional to 1,255,604.70, 1,883,407.05 and 1,098,140.70 is: 1,647,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,604.70 : 1,883,407.05 = 1,098,140.70 : x
  2. Step 2: Convert to fraction form
    1,255,604.70/1,883,407.05 = 1,098,140.70/x
  3. Step 3: Cross multiply
    1,255,604.70x = 1,883,407.05 × 1,098,140.70
  4. Step 4: Simplify right side
    1,255,604.70x = 2,068,245,936,271.94
  5. Step 5: Solve for x
    x = 2,068,245,936,271.94/1,255,604.70
  6. Step 6: Final answer
    x = 1,647,211.05

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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.