Home / 919,564.64-1,268,809.02-537,517.52

Finding the Fourth Proportional to 919,564.64, 1,268,809.02 and 537,517.52

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Solution

The fourth proportional to 919,564.64, 1,268,809.02 and 537,517.52 is: 741,663.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,564.64 : 1,268,809.02 = 537,517.52 : x
  2. Step 2: Convert to fraction form
    919,564.64/1,268,809.02 = 537,517.52/x
  3. Step 3: Cross multiply
    919,564.64x = 1,268,809.02 × 537,517.52
  4. Step 4: Simplify right side
    919,564.64x = 682,007,077,784.03
  5. Step 5: Solve for x
    x = 682,007,077,784.03/919,564.64
  6. Step 6: Final answer
    x = 741,663.01

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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.