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Finding the Fourth Proportional to 1,022,826.26, 1,537,602.80 and 948,839.60

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Solution

The fourth proportional to 1,022,826.26, 1,537,602.80 and 948,839.60 is: 1,426,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,826.26 : 1,537,602.80 = 948,839.60 : x
  2. Step 2: Convert to fraction form
    1,022,826.26/1,537,602.80 = 948,839.60/x
  3. Step 3: Cross multiply
    1,022,826.26x = 1,537,602.80 × 948,839.60
  4. Step 4: Simplify right side
    1,022,826.26x = 1,458,938,425,710.88
  5. Step 5: Solve for x
    x = 1,458,938,425,710.88/1,022,826.26
  6. Step 6: Final answer
    x = 1,426,379.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.