Home / 1,418,445.14-1,957,509.18-806,653.76

Finding the Fourth Proportional to 1,418,445.14, 1,957,509.18 and 806,653.76

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Solution

The fourth proportional to 1,418,445.14, 1,957,509.18 and 806,653.76 is: 1,113,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,445.14 : 1,957,509.18 = 806,653.76 : x
  2. Step 2: Convert to fraction form
    1,418,445.14/1,957,509.18 = 806,653.76/x
  3. Step 3: Cross multiply
    1,418,445.14x = 1,957,509.18 × 806,653.76
  4. Step 4: Simplify right side
    1,418,445.14x = 1,579,032,130,493.97
  5. Step 5: Solve for x
    x = 1,579,032,130,493.97/1,418,445.14
  6. Step 6: Final answer
    x = 1,113,213.40

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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.