Home / 1,639,200.68-2,262,014.72-904,283.94

Finding the Fourth Proportional to 1,639,200.68, 2,262,014.72 and 904,283.94

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Solution

The fourth proportional to 1,639,200.68, 2,262,014.72 and 904,283.94 is: 1,247,866.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,200.68 : 2,262,014.72 = 904,283.94 : x
  2. Step 2: Convert to fraction form
    1,639,200.68/2,262,014.72 = 904,283.94/x
  3. Step 3: Cross multiply
    1,639,200.68x = 2,262,014.72 × 904,283.94
  4. Step 4: Simplify right side
    1,639,200.68x = 2,045,503,583,339.60
  5. Step 5: Solve for x
    x = 2,045,503,583,339.60/1,639,200.68
  6. Step 6: Final answer
    x = 1,247,866.48

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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.