Home / 1,155,778.80-1,733,673.60-407,824.80

Finding the Fourth Proportional to 1,155,778.80, 1,733,673.60 and 407,824.80

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Solution

The fourth proportional to 1,155,778.80, 1,733,673.60 and 407,824.80 is: 611,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,778.80 : 1,733,673.60 = 407,824.80 : x
  2. Step 2: Convert to fraction form
    1,155,778.80/1,733,673.60 = 407,824.80/x
  3. Step 3: Cross multiply
    1,155,778.80x = 1,733,673.60 × 407,824.80
  4. Step 4: Simplify right side
    1,155,778.80x = 707,035,089,185.28
  5. Step 5: Solve for x
    x = 707,035,089,185.28/1,155,778.80
  6. Step 6: Final answer
    x = 611,739.11

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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.