Home / 940,913.85-1,298,454.12-511,197.51

Finding the Fourth Proportional to 940,913.85, 1,298,454.12 and 511,197.51

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Solution

The fourth proportional to 940,913.85, 1,298,454.12 and 511,197.51 is: 705,448.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,913.85 : 1,298,454.12 = 511,197.51 : x
  2. Step 2: Convert to fraction form
    940,913.85/1,298,454.12 = 511,197.51/x
  3. Step 3: Cross multiply
    940,913.85x = 1,298,454.12 × 511,197.51
  4. Step 4: Simplify right side
    940,913.85x = 663,766,512,993.24
  5. Step 5: Solve for x
    x = 663,766,512,993.24/940,913.85
  6. Step 6: Final answer
    x = 705,448.76

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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.