Home / 940,917.10-1,298,458.61-511,200.76

Finding the Fourth Proportional to 940,917.10, 1,298,458.61 and 511,200.76

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Solution

The fourth proportional to 940,917.10, 1,298,458.61 and 511,200.76 is: 705,453.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,917.10 : 1,298,458.61 = 511,200.76 : x
  2. Step 2: Convert to fraction form
    940,917.10/1,298,458.61 = 511,200.76/x
  3. Step 3: Cross multiply
    940,917.10x = 1,298,458.61 × 511,200.76
  4. Step 4: Simplify right side
    940,917.10x = 663,773,025,704.54
  5. Step 5: Solve for x
    x = 663,773,025,704.54/940,917.10
  6. Step 6: Final answer
    x = 705,453.25

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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.