Home / 1,089,204.78-1,633,860.51-415,160.45

Finding the Fourth Proportional to 1,089,204.78, 1,633,860.51 and 415,160.45

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Solution

The fourth proportional to 1,089,204.78, 1,633,860.51 and 415,160.45 is: 622,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,204.78 : 1,633,860.51 = 415,160.45 : x
  2. Step 2: Convert to fraction form
    1,089,204.78/1,633,860.51 = 415,160.45/x
  3. Step 3: Cross multiply
    1,089,204.78x = 1,633,860.51 × 415,160.45
  4. Step 4: Simplify right side
    1,089,204.78x = 678,314,256,399.53
  5. Step 5: Solve for x
    x = 678,314,256,399.53/1,089,204.78
  6. Step 6: Final answer
    x = 622,761.00

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1.5x scale

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.