Home / 1,418,445.89-1,957,510.22-806,654.51

Finding the Fourth Proportional to 1,418,445.89, 1,957,510.22 and 806,654.51

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Solution

The fourth proportional to 1,418,445.89, 1,957,510.22 and 806,654.51 is: 1,113,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,445.89 : 1,957,510.22 = 806,654.51 : x
  2. Step 2: Convert to fraction form
    1,418,445.89/1,957,510.22 = 806,654.51/x
  3. Step 3: Cross multiply
    1,418,445.89x = 1,957,510.22 × 806,654.51
  4. Step 4: Simplify right side
    1,418,445.89x = 1,579,034,433,513.27
  5. Step 5: Solve for x
    x = 1,579,034,433,513.27/1,418,445.89
  6. Step 6: Final answer
    x = 1,113,214.43

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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.