Home / 1,286,536.75-1,774,258.64-803,146.57

Finding the Fourth Proportional to 1,286,536.75, 1,774,258.64 and 803,146.57

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Solution

The fourth proportional to 1,286,536.75, 1,774,258.64 and 803,146.57 is: 1,107,616.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,536.75 : 1,774,258.64 = 803,146.57 : x
  2. Step 2: Convert to fraction form
    1,286,536.75/1,774,258.64 = 803,146.57/x
  3. Step 3: Cross multiply
    1,286,536.75x = 1,774,258.64 × 803,146.57
  4. Step 4: Simplify right side
    1,286,536.75x = 1,424,989,736,993.13
  5. Step 5: Solve for x
    x = 1,424,989,736,993.13/1,286,536.75
  6. Step 6: Final answer
    x = 1,107,616.81

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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.