Home / 1,641,849.94-2,265,729.05-916,707.72

Finding the Fourth Proportional to 1,641,849.94, 2,265,729.05 and 916,707.72

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Solution

The fourth proportional to 1,641,849.94, 2,265,729.05 and 916,707.72 is: 1,265,043.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,849.94 : 2,265,729.05 = 916,707.72 : x
  2. Step 2: Convert to fraction form
    1,641,849.94/2,265,729.05 = 916,707.72/x
  3. Step 3: Cross multiply
    1,641,849.94x = 2,265,729.05 × 916,707.72
  4. Step 4: Simplify right side
    1,641,849.94x = 2,077,011,311,563.27
  5. Step 5: Solve for x
    x = 2,077,011,311,563.27/1,641,849.94
  6. Step 6: Final answer
    x = 1,265,043.33

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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.