Home / 879,696.44-1,215,119.94-650,719.16

Finding the Fourth Proportional to 879,696.44, 1,215,119.94 and 650,719.16

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Solution

The fourth proportional to 879,696.44, 1,215,119.94 and 650,719.16 is: 898,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,696.44 : 1,215,119.94 = 650,719.16 : x
  2. Step 2: Convert to fraction form
    879,696.44/1,215,119.94 = 650,719.16/x
  3. Step 3: Cross multiply
    879,696.44x = 1,215,119.94 × 650,719.16
  4. Step 4: Simplify right side
    879,696.44x = 790,701,826,656.05
  5. Step 5: Solve for x
    x = 790,701,826,656.05/879,696.44
  6. Step 6: Final answer
    x = 898,834.86

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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.