Home / 1,393,187.76-2,089,783.86-382,323.54

Finding the Fourth Proportional to 1,393,187.76, 2,089,783.86 and 382,323.54

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Solution

The fourth proportional to 1,393,187.76, 2,089,783.86 and 382,323.54 is: 573,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,187.76 : 2,089,783.86 = 382,323.54 : x
  2. Step 2: Convert to fraction form
    1,393,187.76/2,089,783.86 = 382,323.54/x
  3. Step 3: Cross multiply
    1,393,187.76x = 2,089,783.86 × 382,323.54
  4. Step 4: Simplify right side
    1,393,187.76x = 798,973,563,190.07
  5. Step 5: Solve for x
    x = 798,973,563,190.07/1,393,187.76
  6. Step 6: Final answer
    x = 573,485.92

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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.