Home / 1,089,103.80-1,633,655.70-1,002,012.60

Finding the Fourth Proportional to 1,089,103.80, 1,633,655.70 and 1,002,012.60

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Solution

The fourth proportional to 1,089,103.80, 1,633,655.70 and 1,002,012.60 is: 1,503,018.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,103.80 : 1,633,655.70 = 1,002,012.60 : x
  2. Step 2: Convert to fraction form
    1,089,103.80/1,633,655.70 = 1,002,012.60/x
  3. Step 3: Cross multiply
    1,089,103.80x = 1,633,655.70 × 1,002,012.60
  4. Step 4: Simplify right side
    1,089,103.80x = 1,636,943,595,461.82
  5. Step 5: Solve for x
    x = 1,636,943,595,461.82/1,089,103.80
  6. Step 6: Final answer
    x = 1,503,018.90

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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.