Home / 1,116,712.60-1,679,216.10-934,235.80

Finding the Fourth Proportional to 1,116,712.60, 1,679,216.10 and 934,235.80

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Solution

The fourth proportional to 1,116,712.60, 1,679,216.10 and 934,235.80 is: 1,404,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,712.60 : 1,679,216.10 = 934,235.80 : x
  2. Step 2: Convert to fraction form
    1,116,712.60/1,679,216.10 = 934,235.80/x
  3. Step 3: Cross multiply
    1,116,712.60x = 1,679,216.10 × 934,235.80
  4. Step 4: Simplify right side
    1,116,712.60x = 1,568,783,796,556.38
  5. Step 5: Solve for x
    x = 1,568,783,796,556.38/1,116,712.60
  6. Step 6: Final answer
    x = 1,404,823.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.