Home / 1,286,316.70-1,775,000.73-713,355.10

Finding the Fourth Proportional to 1,286,316.70, 1,775,000.73 and 713,355.10

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Solution

The fourth proportional to 1,286,316.70, 1,775,000.73 and 713,355.10 is: 984,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,316.70 : 1,775,000.73 = 713,355.10 : x
  2. Step 2: Convert to fraction form
    1,286,316.70/1,775,000.73 = 713,355.10/x
  3. Step 3: Cross multiply
    1,286,316.70x = 1,775,000.73 × 713,355.10
  4. Step 4: Simplify right side
    1,286,316.70x = 1,266,205,823,249.22
  5. Step 5: Solve for x
    x = 1,266,205,823,249.22/1,286,316.70
  6. Step 6: Final answer
    x = 984,365.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.