Home / 1,399,599.09-1,932,376.37-1,076,739.57

Finding the Fourth Proportional to 1,399,599.09, 1,932,376.37 and 1,076,739.57

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Solution

The fourth proportional to 1,399,599.09, 1,932,376.37 and 1,076,739.57 is: 1,486,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,599.09 : 1,932,376.37 = 1,076,739.57 : x
  2. Step 2: Convert to fraction form
    1,399,599.09/1,932,376.37 = 1,076,739.57/x
  3. Step 3: Cross multiply
    1,399,599.09x = 1,932,376.37 × 1,076,739.57
  4. Step 4: Simplify right side
    1,399,599.09x = 2,080,666,096,328.26
  5. Step 5: Solve for x
    x = 2,080,666,096,328.26/1,399,599.09
  6. Step 6: Final answer
    x = 1,486,615.78

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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.