Home / 1,258,226.21-1,736,371.38-685,266.38

Finding the Fourth Proportional to 1,258,226.21, 1,736,371.38 and 685,266.38

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Solution

The fourth proportional to 1,258,226.21, 1,736,371.38 and 685,266.38 is: 945,678.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,226.21 : 1,736,371.38 = 685,266.38 : x
  2. Step 2: Convert to fraction form
    1,258,226.21/1,736,371.38 = 685,266.38/x
  3. Step 3: Cross multiply
    1,258,226.21x = 1,736,371.38 × 685,266.38
  4. Step 4: Simplify right side
    1,258,226.21x = 1,189,876,930,307.49
  5. Step 5: Solve for x
    x = 1,189,876,930,307.49/1,258,226.21
  6. Step 6: Final answer
    x = 945,678.07

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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.