Home / 1,089,611.80-1,503,684.47-606,221.92

Finding the Fourth Proportional to 1,089,611.80, 1,503,684.47 and 606,221.92

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Solution

The fourth proportional to 1,089,611.80, 1,503,684.47 and 606,221.92 is: 836,597.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,611.80 : 1,503,684.47 = 606,221.92 : x
  2. Step 2: Convert to fraction form
    1,089,611.80/1,503,684.47 = 606,221.92/x
  3. Step 3: Cross multiply
    1,089,611.80x = 1,503,684.47 × 606,221.92
  4. Step 4: Simplify right side
    1,089,611.80x = 911,566,489,872.74
  5. Step 5: Solve for x
    x = 911,566,489,872.74/1,089,611.80
  6. Step 6: Final answer
    x = 836,597.49

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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.