Home / 1,641,968.76-2,265,955.38-916,791.96

Finding the Fourth Proportional to 1,641,968.76, 2,265,955.38 and 916,791.96

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Solution

The fourth proportional to 1,641,968.76, 2,265,955.38 and 916,791.96 is: 1,265,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,968.76 : 2,265,955.38 = 916,791.96 : x
  2. Step 2: Convert to fraction form
    1,641,968.76/2,265,955.38 = 916,791.96/x
  3. Step 3: Cross multiply
    1,641,968.76x = 2,265,955.38 × 916,791.96
  4. Step 4: Simplify right side
    1,641,968.76x = 2,077,409,674,102.74
  5. Step 5: Solve for x
    x = 2,077,409,674,102.74/1,641,968.76
  6. Step 6: Final answer
    x = 1,265,194.40

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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.