Home / 1,413,056.89-1,949,015.82-868,477.69

Finding the Fourth Proportional to 1,413,056.89, 1,949,015.82 and 868,477.69

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Solution

The fourth proportional to 1,413,056.89, 1,949,015.82 and 868,477.69 is: 1,197,882.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,056.89 : 1,949,015.82 = 868,477.69 : x
  2. Step 2: Convert to fraction form
    1,413,056.89/1,949,015.82 = 868,477.69/x
  3. Step 3: Cross multiply
    1,413,056.89x = 1,949,015.82 × 868,477.69
  4. Step 4: Simplify right side
    1,413,056.89x = 1,692,676,757,127.06
  5. Step 5: Solve for x
    x = 1,692,676,757,127.06/1,413,056.89
  6. Step 6: Final answer
    x = 1,197,882.95

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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.