Home / 1,413,014.19-1,949,941.17-768,420.51

Finding the Fourth Proportional to 1,413,014.19, 1,949,941.17 and 768,420.51

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Solution

The fourth proportional to 1,413,014.19, 1,949,941.17 and 768,420.51 is: 1,060,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,014.19 : 1,949,941.17 = 768,420.51 : x
  2. Step 2: Convert to fraction form
    1,413,014.19/1,949,941.17 = 768,420.51/x
  3. Step 3: Cross multiply
    1,413,014.19x = 1,949,941.17 × 768,420.51
  4. Step 4: Simplify right side
    1,413,014.19x = 1,498,374,788,321.40
  5. Step 5: Solve for x
    x = 1,498,374,788,321.40/1,413,014.19
  6. Step 6: Final answer
    x = 1,060,410.29

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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.