Home / 940,828.19-1,298,348.19-511,109.33

Finding the Fourth Proportional to 940,828.19, 1,298,348.19 and 511,109.33

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Solution

The fourth proportional to 940,828.19, 1,298,348.19 and 511,109.33 is: 705,333.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,828.19 : 1,298,348.19 = 511,109.33 : x
  2. Step 2: Convert to fraction form
    940,828.19/1,298,348.19 = 511,109.33/x
  3. Step 3: Cross multiply
    940,828.19x = 1,298,348.19 × 511,109.33
  4. Step 4: Simplify right side
    940,828.19x = 663,597,867,005.87
  5. Step 5: Solve for x
    x = 663,597,867,005.87/940,828.19
  6. Step 6: Final answer
    x = 705,333.74

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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.