Home / 999,548.03-1,499,320.23-325,628.54

Finding the Fourth Proportional to 999,548.03, 1,499,320.23 and 325,628.54

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Solution

The fourth proportional to 999,548.03, 1,499,320.23 and 325,628.54 is: 488,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,548.03 : 1,499,320.23 = 325,628.54 : x
  2. Step 2: Convert to fraction form
    999,548.03/1,499,320.23 = 325,628.54/x
  3. Step 3: Cross multiply
    999,548.03x = 1,499,320.23 × 325,628.54
  4. Step 4: Simplify right side
    999,548.03x = 488,221,457,487.36
  5. Step 5: Solve for x
    x = 488,221,457,487.36/999,548.03
  6. Step 6: Final answer
    x = 488,442.22

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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.