Home / 1,198,768.95-1,654,333.62-715,614.51

Finding the Fourth Proportional to 1,198,768.95, 1,654,333.62 and 715,614.51

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Solution

The fourth proportional to 1,198,768.95, 1,654,333.62 and 715,614.51 is: 987,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,768.95 : 1,654,333.62 = 715,614.51 : x
  2. Step 2: Convert to fraction form
    1,198,768.95/1,654,333.62 = 715,614.51/x
  3. Step 3: Cross multiply
    1,198,768.95x = 1,654,333.62 × 715,614.51
  4. Step 4: Simplify right side
    1,198,768.95x = 1,183,865,142,852.83
  5. Step 5: Solve for x
    x = 1,183,865,142,852.83/1,198,768.95
  6. Step 6: Final answer
    x = 987,567.41

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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.