Home / 1,641,994.80-2,265,991.28-916,818

Finding the Fourth Proportional to 1,641,994.80, 2,265,991.28 and 916,818

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Solution

The fourth proportional to 1,641,994.80, 2,265,991.28 and 916,818 is: 1,265,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,994.80 : 2,265,991.28 = 916,818 : x
  2. Step 2: Convert to fraction form
    1,641,994.80/2,265,991.28 = 916,818/x
  3. Step 3: Cross multiply
    1,641,994.80x = 2,265,991.28 × 916,818
  4. Step 4: Simplify right side
    1,641,994.80x = 2,077,501,593,347.04
  5. Step 5: Solve for x
    x = 2,077,501,593,347.04/1,641,994.80
  6. Step 6: Final answer
    x = 1,265,230.31

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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.