Home / 1,089,390.20-1,632,335.70-1,026,404.60

Finding the Fourth Proportional to 1,089,390.20, 1,632,335.70 and 1,026,404.60

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Solution

The fourth proportional to 1,089,390.20, 1,632,335.70 and 1,026,404.60 is: 1,537,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,390.20 : 1,632,335.70 = 1,026,404.60 : x
  2. Step 2: Convert to fraction form
    1,089,390.20/1,632,335.70 = 1,026,404.60/x
  3. Step 3: Cross multiply
    1,089,390.20x = 1,632,335.70 × 1,026,404.60
  4. Step 4: Simplify right side
    1,089,390.20x = 1,675,436,871,224.22
  5. Step 5: Solve for x
    x = 1,675,436,871,224.22/1,089,390.20
  6. Step 6: Final answer
    x = 1,537,958.46

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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.