Home / 916,993.82-1,262,835.69-661,941.02

Finding the Fourth Proportional to 916,993.82, 1,262,835.69 and 661,941.02

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Solution

The fourth proportional to 916,993.82, 1,262,835.69 and 661,941.02 is: 911,590.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,993.82 : 1,262,835.69 = 661,941.02 : x
  2. Step 2: Convert to fraction form
    916,993.82/1,262,835.69 = 661,941.02/x
  3. Step 3: Cross multiply
    916,993.82x = 1,262,835.69 × 661,941.02
  4. Step 4: Simplify right side
    916,993.82x = 835,922,744,731.00
  5. Step 5: Solve for x
    x = 835,922,744,731.00/916,993.82
  6. Step 6: Final answer
    x = 911,590.38

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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.