Home / 940,917.85-1,298,459.64-511,201.51

Finding the Fourth Proportional to 940,917.85, 1,298,459.64 and 511,201.51

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Solution

The fourth proportional to 940,917.85, 1,298,459.64 and 511,201.51 is: 705,454.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,917.85 : 1,298,459.64 = 511,201.51 : x
  2. Step 2: Convert to fraction form
    940,917.85/1,298,459.64 = 511,201.51/x
  3. Step 3: Cross multiply
    940,917.85x = 1,298,459.64 × 511,201.51
  4. Step 4: Simplify right side
    940,917.85x = 663,774,528,642.06
  5. Step 5: Solve for x
    x = 663,774,528,642.06/940,917.85
  6. Step 6: Final answer
    x = 705,454.28

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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.