Home / 1,089,091.80-1,633,637.70-556,435.80

Finding the Fourth Proportional to 1,089,091.80, 1,633,637.70 and 556,435.80

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Solution

The fourth proportional to 1,089,091.80, 1,633,637.70 and 556,435.80 is: 834,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,091.80 : 1,633,637.70 = 556,435.80 : x
  2. Step 2: Convert to fraction form
    1,089,091.80/1,633,637.70 = 556,435.80/x
  3. Step 3: Cross multiply
    1,089,091.80x = 1,633,637.70 × 556,435.80
  4. Step 4: Simplify right side
    1,089,091.80x = 909,014,500,509.66
  5. Step 5: Solve for x
    x = 909,014,500,509.66/1,089,091.80
  6. Step 6: Final answer
    x = 834,653.70

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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.