Home / 1,271,817.86-1,755,088.70-698,845.73

Finding the Fourth Proportional to 1,271,817.86, 1,755,088.70 and 698,845.73

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Solution

The fourth proportional to 1,271,817.86, 1,755,088.70 and 698,845.73 is: 964,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,817.86 : 1,755,088.70 = 698,845.73 : x
  2. Step 2: Convert to fraction form
    1,271,817.86/1,755,088.70 = 698,845.73/x
  3. Step 3: Cross multiply
    1,271,817.86x = 1,755,088.70 × 698,845.73
  4. Step 4: Simplify right side
    1,271,817.86x = 1,226,536,231,496.58
  5. Step 5: Solve for x
    x = 1,226,536,231,496.58/1,271,817.86
  6. Step 6: Final answer
    x = 964,396.14

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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.