Home / 1,419,486.66-1,958,925.16-774,911.71

Finding the Fourth Proportional to 1,419,486.66, 1,958,925.16 and 774,911.71

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Solution

The fourth proportional to 1,419,486.66, 1,958,925.16 and 774,911.71 is: 1,069,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,486.66 : 1,958,925.16 = 774,911.71 : x
  2. Step 2: Convert to fraction form
    1,419,486.66/1,958,925.16 = 774,911.71/x
  3. Step 3: Cross multiply
    1,419,486.66x = 1,958,925.16 × 774,911.71
  4. Step 4: Simplify right side
    1,419,486.66x = 1,517,994,048,914.92
  5. Step 5: Solve for x
    x = 1,517,994,048,914.92/1,419,486.66
  6. Step 6: Final answer
    x = 1,069,396.49

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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.