Home / 1,191,656.59-1,786,811.71-1,089,977.55

Finding the Fourth Proportional to 1,191,656.59, 1,786,811.71 and 1,089,977.55

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Solution

The fourth proportional to 1,191,656.59, 1,786,811.71 and 1,089,977.55 is: 1,634,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,656.59 : 1,786,811.71 = 1,089,977.55 : x
  2. Step 2: Convert to fraction form
    1,191,656.59/1,786,811.71 = 1,089,977.55/x
  3. Step 3: Cross multiply
    1,191,656.59x = 1,786,811.71 × 1,089,977.55
  4. Step 4: Simplify right side
    1,191,656.59x = 1,947,584,660,737.12
  5. Step 5: Solve for x
    x = 1,947,584,660,737.12/1,191,656.59
  6. Step 6: Final answer
    x = 1,634,350.60

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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.