Home / 1,089,215.15-1,503,136.22-605,780.51

Finding the Fourth Proportional to 1,089,215.15, 1,503,136.22 and 605,780.51

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Solution

The fourth proportional to 1,089,215.15, 1,503,136.22 and 605,780.51 is: 835,987.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,215.15 : 1,503,136.22 = 605,780.51 : x
  2. Step 2: Convert to fraction form
    1,089,215.15/1,503,136.22 = 605,780.51/x
  3. Step 3: Cross multiply
    1,089,215.15x = 1,503,136.22 × 605,780.51
  4. Step 4: Simplify right side
    1,089,215.15x = 910,570,625,951.07
  5. Step 5: Solve for x
    x = 910,570,625,951.07/1,089,215.15
  6. Step 6: Final answer
    x = 835,987.84

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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.