Home / 866,811.98-1,196,135.46-484,764.95

Finding the Fourth Proportional to 866,811.98, 1,196,135.46 and 484,764.95

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Solution

The fourth proportional to 866,811.98, 1,196,135.46 and 484,764.95 is: 668,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,811.98 : 1,196,135.46 = 484,764.95 : x
  2. Step 2: Convert to fraction form
    866,811.98/1,196,135.46 = 484,764.95/x
  3. Step 3: Cross multiply
    866,811.98x = 1,196,135.46 × 484,764.95
  4. Step 4: Simplify right side
    866,811.98x = 579,844,540,479.45
  5. Step 5: Solve for x
    x = 579,844,540,479.45/866,811.98
  6. Step 6: Final answer
    x = 668,939.24

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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.