Home / 1,008,486.54-1,391,711.62-549,601.20

Finding the Fourth Proportional to 1,008,486.54, 1,391,711.62 and 549,601.20

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Solution

The fourth proportional to 1,008,486.54, 1,391,711.62 and 549,601.20 is: 758,449.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,486.54 : 1,391,711.62 = 549,601.20 : x
  2. Step 2: Convert to fraction form
    1,008,486.54/1,391,711.62 = 549,601.20/x
  3. Step 3: Cross multiply
    1,008,486.54x = 1,391,711.62 × 549,601.20
  4. Step 4: Simplify right side
    1,008,486.54x = 764,886,376,405.94
  5. Step 5: Solve for x
    x = 764,886,376,405.94/1,008,486.54
  6. Step 6: Final answer
    x = 758,449.76

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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.