Home / 1,284,945.01-1,927,421.96-325,400.36

Finding the Fourth Proportional to 1,284,945.01, 1,927,421.96 and 325,400.36

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Solution

The fourth proportional to 1,284,945.01, 1,927,421.96 and 325,400.36 is: 488,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,945.01 : 1,927,421.96 = 325,400.36 : x
  2. Step 2: Convert to fraction form
    1,284,945.01/1,927,421.96 = 325,400.36/x
  3. Step 3: Cross multiply
    1,284,945.01x = 1,927,421.96 × 325,400.36
  4. Step 4: Simplify right side
    1,284,945.01x = 627,183,799,655.91
  5. Step 5: Solve for x
    x = 627,183,799,655.91/1,284,945.01
  6. Step 6: Final answer
    x = 488,101.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.