Home / 1,198,771.70-1,654,337.47-715,617.38

Finding the Fourth Proportional to 1,198,771.70, 1,654,337.47 and 715,617.38

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Solution

The fourth proportional to 1,198,771.70, 1,654,337.47 and 715,617.38 is: 987,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,771.70 : 1,654,337.47 = 715,617.38 : x
  2. Step 2: Convert to fraction form
    1,198,771.70/1,654,337.47 = 715,617.38/x
  3. Step 3: Cross multiply
    1,198,771.70x = 1,654,337.47 × 715,617.38
  4. Step 4: Simplify right side
    1,198,771.70x = 1,183,872,649,605.81
  5. Step 5: Solve for x
    x = 1,183,872,649,605.81/1,198,771.70
  6. Step 6: Final answer
    x = 987,571.40

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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.