Home / 1,448,728.40-2,171,762.16-501,436.64

Finding the Fourth Proportional to 1,448,728.40, 2,171,762.16 and 501,436.64

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Solution

The fourth proportional to 1,448,728.40, 2,171,762.16 and 501,436.64 is: 751,694.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,728.40 : 2,171,762.16 = 501,436.64 : x
  2. Step 2: Convert to fraction form
    1,448,728.40/2,171,762.16 = 501,436.64/x
  3. Step 3: Cross multiply
    1,448,728.40x = 2,171,762.16 × 501,436.64
  4. Step 4: Simplify right side
    1,448,728.40x = 1,089,001,120,389.54
  5. Step 5: Solve for x
    x = 1,089,001,120,389.54/1,448,728.40
  6. Step 6: Final answer
    x = 751,694.47

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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.