Home / 808,868.44-1,116,272.20-446,315.80

Finding the Fourth Proportional to 808,868.44, 1,116,272.20 and 446,315.80

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Solution

The fourth proportional to 808,868.44, 1,116,272.20 and 446,315.80 is: 615,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,868.44 : 1,116,272.20 = 446,315.80 : x
  2. Step 2: Convert to fraction form
    808,868.44/1,116,272.20 = 446,315.80/x
  3. Step 3: Cross multiply
    808,868.44x = 1,116,272.20 × 446,315.80
  4. Step 4: Simplify right side
    808,868.44x = 498,209,919,960.76
  5. Step 5: Solve for x
    x = 498,209,919,960.76/808,868.44
  6. Step 6: Final answer
    x = 615,934.43

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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.