Home / 1,418,720.58-1,957,877.53-806,961.33

Finding the Fourth Proportional to 1,418,720.58, 1,957,877.53 and 806,961.33

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Solution

The fourth proportional to 1,418,720.58, 1,957,877.53 and 806,961.33 is: 1,113,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,720.58 : 1,957,877.53 = 806,961.33 : x
  2. Step 2: Convert to fraction form
    1,418,720.58/1,957,877.53 = 806,961.33/x
  3. Step 3: Cross multiply
    1,418,720.58x = 1,957,877.53 × 806,961.33
  4. Step 4: Simplify right side
    1,418,720.58x = 1,579,931,453,568.51
  5. Step 5: Solve for x
    x = 1,579,931,453,568.51/1,418,720.58
  6. Step 6: Final answer
    x = 1,113,631.17

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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.