Home / 1,014,321.75-1,399,766.40-555,466.38

Finding the Fourth Proportional to 1,014,321.75, 1,399,766.40 and 555,466.38

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Solution

The fourth proportional to 1,014,321.75, 1,399,766.40 and 555,466.38 is: 766,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,321.75 : 1,399,766.40 = 555,466.38 : x
  2. Step 2: Convert to fraction form
    1,014,321.75/1,399,766.40 = 555,466.38/x
  3. Step 3: Cross multiply
    1,014,321.75x = 1,399,766.40 × 555,466.38
  4. Step 4: Simplify right side
    1,014,321.75x = 777,523,175,053.63
  5. Step 5: Solve for x
    x = 777,523,175,053.63/1,014,321.75
  6. Step 6: Final answer
    x = 766,544.91

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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.