Home / 1,008,647.96-1,391,921.94-549,761.12

Finding the Fourth Proportional to 1,008,647.96, 1,391,921.94 and 549,761.12

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Solution

The fourth proportional to 1,008,647.96, 1,391,921.94 and 549,761.12 is: 758,663.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,647.96 : 1,391,921.94 = 549,761.12 : x
  2. Step 2: Convert to fraction form
    1,008,647.96/1,391,921.94 = 549,761.12/x
  3. Step 3: Cross multiply
    1,008,647.96x = 1,391,921.94 × 549,761.12
  4. Step 4: Simplify right side
    1,008,647.96x = 765,224,564,686.97
  5. Step 5: Solve for x
    x = 765,224,564,686.97/1,008,647.96
  6. Step 6: Final answer
    x = 758,663.67

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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.