Home / 1,556,738.40-2,333,811.60-658,869.60

Finding the Fourth Proportional to 1,556,738.40, 2,333,811.60 and 658,869.60

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Solution

The fourth proportional to 1,556,738.40, 2,333,811.60 and 658,869.60 is: 987,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,738.40 : 2,333,811.60 = 658,869.60 : x
  2. Step 2: Convert to fraction form
    1,556,738.40/2,333,811.60 = 658,869.60/x
  3. Step 3: Cross multiply
    1,556,738.40x = 2,333,811.60 × 658,869.60
  4. Step 4: Simplify right side
    1,556,738.40x = 1,537,677,515,367.36
  5. Step 5: Solve for x
    x = 1,537,677,515,367.36/1,556,738.40
  6. Step 6: Final answer
    x = 987,755.88

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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.