Home / 940,892.85-1,298,425.19-511,176.51

Finding the Fourth Proportional to 940,892.85, 1,298,425.19 and 511,176.51

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Solution

The fourth proportional to 940,892.85, 1,298,425.19 and 511,176.51 is: 705,419.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,892.85 : 1,298,425.19 = 511,176.51 : x
  2. Step 2: Convert to fraction form
    940,892.85/1,298,425.19 = 511,176.51/x
  3. Step 3: Cross multiply
    940,892.85x = 1,298,425.19 × 511,176.51
  4. Step 4: Simplify right side
    940,892.85x = 663,724,454,564.40
  5. Step 5: Solve for x
    x = 663,724,454,564.40/940,892.85
  6. Step 6: Final answer
    x = 705,419.81

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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.