Home / 938,826.60-1,405,907.10-752,202.60

Finding the Fourth Proportional to 938,826.60, 1,405,907.10 and 752,202.60

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Solution

The fourth proportional to 938,826.60, 1,405,907.10 and 752,202.60 is: 1,126,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,826.60 : 1,405,907.10 = 752,202.60 : x
  2. Step 2: Convert to fraction form
    938,826.60/1,405,907.10 = 752,202.60/x
  3. Step 3: Cross multiply
    938,826.60x = 1,405,907.10 × 752,202.60
  4. Step 4: Simplify right side
    938,826.60x = 1,057,526,975,978.46
  5. Step 5: Solve for x
    x = 1,057,526,975,978.46/938,826.60
  6. Step 6: Final answer
    x = 1,126,434.82

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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.