Home / 1,324,232.63-1,827,637.86-780,194.51

Finding the Fourth Proportional to 1,324,232.63, 1,827,637.86 and 780,194.51

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Solution

The fourth proportional to 1,324,232.63, 1,827,637.86 and 780,194.51 is: 1,076,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,232.63 : 1,827,637.86 = 780,194.51 : x
  2. Step 2: Convert to fraction form
    1,324,232.63/1,827,637.86 = 780,194.51/x
  3. Step 3: Cross multiply
    1,324,232.63x = 1,827,637.86 × 780,194.51
  4. Step 4: Simplify right side
    1,324,232.63x = 1,425,913,015,501.96
  5. Step 5: Solve for x
    x = 1,425,913,015,501.96/1,324,232.63
  6. Step 6: Final answer
    x = 1,076,784.39

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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.