Home / 1,413,014.18-1,949,941.19-768,420.54

Finding the Fourth Proportional to 1,413,014.18, 1,949,941.19 and 768,420.54

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Solution

The fourth proportional to 1,413,014.18, 1,949,941.19 and 768,420.54 is: 1,060,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,014.18 : 1,949,941.19 = 768,420.54 : x
  2. Step 2: Convert to fraction form
    1,413,014.18/1,949,941.19 = 768,420.54/x
  3. Step 3: Cross multiply
    1,413,014.18x = 1,949,941.19 × 768,420.54
  4. Step 4: Simplify right side
    1,413,014.18x = 1,498,374,858,345.94
  5. Step 5: Solve for x
    x = 1,498,374,858,345.94/1,413,014.18
  6. Step 6: Final answer
    x = 1,060,410.35

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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.