Home / 940,409.44-1,298,162.27-634,899.62

Finding the Fourth Proportional to 940,409.44, 1,298,162.27 and 634,899.62

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Solution

The fourth proportional to 940,409.44, 1,298,162.27 and 634,899.62 is: 876,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,409.44 : 1,298,162.27 = 634,899.62 : x
  2. Step 2: Convert to fraction form
    940,409.44/1,298,162.27 = 634,899.62/x
  3. Step 3: Cross multiply
    940,409.44x = 1,298,162.27 × 634,899.62
  4. Step 4: Simplify right side
    940,409.44x = 824,202,731,921.34
  5. Step 5: Solve for x
    x = 824,202,731,921.34/940,409.44
  6. Step 6: Final answer
    x = 876,429.67

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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.