Home / 2,321,343.50-3,203,554.07-1,288,851.33

Finding the Fourth Proportional to 2,321,343.50, 3,203,554.07 and 1,288,851.33

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Solution

The fourth proportional to 2,321,343.50, 3,203,554.07 and 1,288,851.33 is: 1,778,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321,343.50 : 3,203,554.07 = 1,288,851.33 : x
  2. Step 2: Convert to fraction form
    2,321,343.50/3,203,554.07 = 1,288,851.33/x
  3. Step 3: Cross multiply
    2,321,343.50x = 3,203,554.07 × 1,288,851.33
  4. Step 4: Simplify right side
    2,321,343.50x = 4,128,904,927,068.54
  5. Step 5: Solve for x
    x = 4,128,904,927,068.54/2,321,343.50
  6. Step 6: Final answer
    x = 1,778,670.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.