Home / 1,641,869.52-2,265,758.46-916,729.56

Finding the Fourth Proportional to 1,641,869.52, 2,265,758.46 and 916,729.56

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Solution

The fourth proportional to 1,641,869.52, 2,265,758.46 and 916,729.56 is: 1,265,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,869.52 : 2,265,758.46 = 916,729.56 : x
  2. Step 2: Convert to fraction form
    1,641,869.52/2,265,758.46 = 916,729.56/x
  3. Step 3: Cross multiply
    1,641,869.52x = 2,265,758.46 × 916,729.56
  4. Step 4: Simplify right side
    1,641,869.52x = 2,077,087,756,102.08
  5. Step 5: Solve for x
    x = 2,077,087,756,102.08/1,641,869.52
  6. Step 6: Final answer
    x = 1,265,074.80

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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.