Home / 1,198,766.72-1,654,330.50-715,612.25

Finding the Fourth Proportional to 1,198,766.72, 1,654,330.50 and 715,612.25

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Solution

The fourth proportional to 1,198,766.72, 1,654,330.50 and 715,612.25 is: 987,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,766.72 : 1,654,330.50 = 715,612.25 : x
  2. Step 2: Convert to fraction form
    1,198,766.72/1,654,330.50 = 715,612.25/x
  3. Step 3: Cross multiply
    1,198,766.72x = 1,654,330.50 × 715,612.25
  4. Step 4: Simplify right side
    1,198,766.72x = 1,183,859,175,484.45
  5. Step 5: Solve for x
    x = 1,183,859,175,484.45/1,198,766.72
  6. Step 6: Final answer
    x = 987,564.26

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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.