Home / 1,641,956.41-2,265,876.31-916,815.52

Finding the Fourth Proportional to 1,641,956.41, 2,265,876.31 and 916,815.52

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Solution

The fourth proportional to 1,641,956.41, 2,265,876.31 and 916,815.52 is: 1,265,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,956.41 : 2,265,876.31 = 916,815.52 : x
  2. Step 2: Convert to fraction form
    1,641,956.41/2,265,876.31 = 916,815.52/x
  3. Step 3: Cross multiply
    1,641,956.41x = 2,265,876.31 × 916,815.52
  4. Step 4: Simplify right side
    1,641,956.41x = 2,077,390,559,451.60
  5. Step 5: Solve for x
    x = 2,077,390,559,451.60/1,641,956.41
  6. Step 6: Final answer
    x = 1,265,192.27

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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.