Home / 1,008,321.95-1,391,519.49-549,474.33

Finding the Fourth Proportional to 1,008,321.95, 1,391,519.49 and 549,474.33

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Solution

The fourth proportional to 1,008,321.95, 1,391,519.49 and 549,474.33 is: 758,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,321.95 : 1,391,519.49 = 549,474.33 : x
  2. Step 2: Convert to fraction form
    1,008,321.95/1,391,519.49 = 549,474.33/x
  3. Step 3: Cross multiply
    1,008,321.95x = 1,391,519.49 × 549,474.33
  4. Step 4: Simplify right side
    1,008,321.95x = 764,604,242,607.36
  5. Step 5: Solve for x
    x = 764,604,242,607.36/1,008,321.95
  6. Step 6: Final answer
    x = 758,293.76

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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.