Home / 1,291,855.43-1,936,525.93-617,761.89

Finding the Fourth Proportional to 1,291,855.43, 1,936,525.93 and 617,761.89

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Solution

The fourth proportional to 1,291,855.43, 1,936,525.93 and 617,761.89 is: 926,041.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,855.43 : 1,936,525.93 = 617,761.89 : x
  2. Step 2: Convert to fraction form
    1,291,855.43/1,936,525.93 = 617,761.89/x
  3. Step 3: Cross multiply
    1,291,855.43x = 1,936,525.93 × 617,761.89
  4. Step 4: Simplify right side
    1,291,855.43x = 1,196,311,917,006.40
  5. Step 5: Solve for x
    x = 1,196,311,917,006.40/1,291,855.43
  6. Step 6: Final answer
    x = 926,041.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.