Home / 1,196,202.78-1,650,762.62-679,960.11

Finding the Fourth Proportional to 1,196,202.78, 1,650,762.62 and 679,960.11

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Solution

The fourth proportional to 1,196,202.78, 1,650,762.62 and 679,960.11 is: 938,346.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,202.78 : 1,650,762.62 = 679,960.11 : x
  2. Step 2: Convert to fraction form
    1,196,202.78/1,650,762.62 = 679,960.11/x
  3. Step 3: Cross multiply
    1,196,202.78x = 1,650,762.62 × 679,960.11
  4. Step 4: Simplify right side
    1,196,202.78x = 1,122,452,738,019.50
  5. Step 5: Solve for x
    x = 1,122,452,738,019.50/1,196,202.78
  6. Step 6: Final answer
    x = 938,346.54

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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.