Home / 863,286.45-1,191,736.44-615,088.41

Finding the Fourth Proportional to 863,286.45, 1,191,736.44 and 615,088.41

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Solution

The fourth proportional to 863,286.45, 1,191,736.44 and 615,088.41 is: 849,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,286.45 : 1,191,736.44 = 615,088.41 : x
  2. Step 2: Convert to fraction form
    863,286.45/1,191,736.44 = 615,088.41/x
  3. Step 3: Cross multiply
    863,286.45x = 1,191,736.44 × 615,088.41
  4. Step 4: Simplify right side
    863,286.45x = 733,023,272,018.66
  5. Step 5: Solve for x
    x = 733,023,272,018.66/863,286.45
  6. Step 6: Final answer
    x = 849,107.82

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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.