Home / 1,418,950.89-1,958,193.72-774,412.41

Finding the Fourth Proportional to 1,418,950.89, 1,958,193.72 and 774,412.41

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Solution

The fourth proportional to 1,418,950.89, 1,958,193.72 and 774,412.41 is: 1,068,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,950.89 : 1,958,193.72 = 774,412.41 : x
  2. Step 2: Convert to fraction form
    1,418,950.89/1,958,193.72 = 774,412.41/x
  3. Step 3: Cross multiply
    1,418,950.89x = 1,958,193.72 × 774,412.41
  4. Step 4: Simplify right side
    1,418,950.89x = 1,516,449,517,952.07
  5. Step 5: Solve for x
    x = 1,516,449,517,952.07/1,418,950.89
  6. Step 6: Final answer
    x = 1,068,711.77

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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.