Home / 1,677,617.03-2,315,137.86-913,669.98

Finding the Fourth Proportional to 1,677,617.03, 2,315,137.86 and 913,669.98

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Solution

The fourth proportional to 1,677,617.03, 2,315,137.86 and 913,669.98 is: 1,260,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,617.03 : 2,315,137.86 = 913,669.98 : x
  2. Step 2: Convert to fraction form
    1,677,617.03/2,315,137.86 = 913,669.98/x
  3. Step 3: Cross multiply
    1,677,617.03x = 2,315,137.86 × 913,669.98
  4. Step 4: Simplify right side
    1,677,617.03x = 2,115,271,962,243.44
  5. Step 5: Solve for x
    x = 2,115,271,962,243.44/1,677,617.03
  6. Step 6: Final answer
    x = 1,260,878.93

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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.