Home / 1,286,817.54-1,776,021.09-714,042.24

Finding the Fourth Proportional to 1,286,817.54, 1,776,021.09 and 714,042.24

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Solution

The fourth proportional to 1,286,817.54, 1,776,021.09 and 714,042.24 is: 985,496.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,817.54 : 1,776,021.09 = 714,042.24 : x
  2. Step 2: Convert to fraction form
    1,286,817.54/1,776,021.09 = 714,042.24/x
  3. Step 3: Cross multiply
    1,286,817.54x = 1,776,021.09 × 714,042.24
  4. Step 4: Simplify right side
    1,286,817.54x = 1,268,154,077,390.84
  5. Step 5: Solve for x
    x = 1,268,154,077,390.84/1,286,817.54
  6. Step 6: Final answer
    x = 985,496.42

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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.