Home / 1,093,543.40-1,640,315.10-865,220.60

Finding the Fourth Proportional to 1,093,543.40, 1,640,315.10 and 865,220.60

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Solution

The fourth proportional to 1,093,543.40, 1,640,315.10 and 865,220.60 is: 1,297,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,543.40 : 1,640,315.10 = 865,220.60 : x
  2. Step 2: Convert to fraction form
    1,093,543.40/1,640,315.10 = 865,220.60/x
  3. Step 3: Cross multiply
    1,093,543.40x = 1,640,315.10 × 865,220.60
  4. Step 4: Simplify right side
    1,093,543.40x = 1,419,234,415,011.06
  5. Step 5: Solve for x
    x = 1,419,234,415,011.06/1,093,543.40
  6. Step 6: Final answer
    x = 1,297,830.90

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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.