Home / 1,005,940.56-1,391,853.40-877,147.60

Finding the Fourth Proportional to 1,005,940.56, 1,391,853.40 and 877,147.60

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Solution

The fourth proportional to 1,005,940.56, 1,391,853.40 and 877,147.60 is: 1,213,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,940.56 : 1,391,853.40 = 877,147.60 : x
  2. Step 2: Convert to fraction form
    1,005,940.56/1,391,853.40 = 877,147.60/x
  3. Step 3: Cross multiply
    1,005,940.56x = 1,391,853.40 × 877,147.60
  4. Step 4: Simplify right side
    1,005,940.56x = 1,220,860,869,361.84
  5. Step 5: Solve for x
    x = 1,220,860,869,361.84/1,005,940.56
  6. Step 6: Final answer
    x = 1,213,651.10

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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.