Home / 1,089,215.24-1,503,136.31-605,780.55

Finding the Fourth Proportional to 1,089,215.24, 1,503,136.31 and 605,780.55

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Solution

The fourth proportional to 1,089,215.24, 1,503,136.31 and 605,780.55 is: 835,987.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,215.24 : 1,503,136.31 = 605,780.55 : x
  2. Step 2: Convert to fraction form
    1,089,215.24/1,503,136.31 = 605,780.55/x
  3. Step 3: Cross multiply
    1,089,215.24x = 1,503,136.31 × 605,780.55
  4. Step 4: Simplify right side
    1,089,215.24x = 910,570,737,567.87
  5. Step 5: Solve for x
    x = 910,570,737,567.87/1,089,215.24
  6. Step 6: Final answer
    x = 835,987.88

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1.5x scale

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.