Home / 919,568.64-1,268,814.54-537,521.52

Finding the Fourth Proportional to 919,568.64, 1,268,814.54 and 537,521.52

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Solution

The fourth proportional to 919,568.64, 1,268,814.54 and 537,521.52 is: 741,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,568.64 : 1,268,814.54 = 537,521.52 : x
  2. Step 2: Convert to fraction form
    919,568.64/1,268,814.54 = 537,521.52/x
  3. Step 3: Cross multiply
    919,568.64x = 1,268,814.54 × 537,521.52
  4. Step 4: Simplify right side
    919,568.64x = 682,015,120,138.90
  5. Step 5: Solve for x
    x = 682,015,120,138.90/919,568.64
  6. Step 6: Final answer
    x = 741,668.53

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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.