Home / 940,883.85-1,298,412.79-511,167.51

Finding the Fourth Proportional to 940,883.85, 1,298,412.79 and 511,167.51

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Solution

The fourth proportional to 940,883.85, 1,298,412.79 and 511,167.51 is: 705,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,883.85 : 1,298,412.79 = 511,167.51 : x
  2. Step 2: Convert to fraction form
    940,883.85/1,298,412.79 = 511,167.51/x
  3. Step 3: Cross multiply
    940,883.85x = 1,298,412.79 × 511,167.51
  4. Step 4: Simplify right side
    940,883.85x = 663,706,431,538.53
  5. Step 5: Solve for x
    x = 663,706,431,538.53/940,883.85
  6. Step 6: Final answer
    x = 705,407.40

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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.