Home / 1,293,014.79-1,783,442.75-1,098,076.55

Finding the Fourth Proportional to 1,293,014.79, 1,783,442.75 and 1,098,076.55

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Solution

The fourth proportional to 1,293,014.79, 1,783,442.75 and 1,098,076.55 is: 1,514,566.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,014.79 : 1,783,442.75 = 1,098,076.55 : x
  2. Step 2: Convert to fraction form
    1,293,014.79/1,783,442.75 = 1,098,076.55/x
  3. Step 3: Cross multiply
    1,293,014.79x = 1,783,442.75 × 1,098,076.55
  4. Step 4: Simplify right side
    1,293,014.79x = 1,958,356,647,634.92
  5. Step 5: Solve for x
    x = 1,958,356,647,634.92/1,293,014.79
  6. Step 6: Final answer
    x = 1,514,566.32

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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.