Home / 999,693.06-1,499,385.51-325,772.64

Finding the Fourth Proportional to 999,693.06, 1,499,385.51 and 325,772.64

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Solution

The fourth proportional to 999,693.06, 1,499,385.51 and 325,772.64 is: 488,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,693.06 : 1,499,385.51 = 325,772.64 : x
  2. Step 2: Convert to fraction form
    999,693.06/1,499,385.51 = 325,772.64/x
  3. Step 3: Cross multiply
    999,693.06x = 1,499,385.51 × 325,772.64
  4. Step 4: Simplify right side
    999,693.06x = 488,458,775,970.45
  5. Step 5: Solve for x
    x = 488,458,775,970.45/999,693.06
  6. Step 6: Final answer
    x = 488,608.75

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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.