Home / 999,519.35-1,499,277.80-325,599.55

Finding the Fourth Proportional to 999,519.35, 1,499,277.80 and 325,599.55

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Solution

The fourth proportional to 999,519.35, 1,499,277.80 and 325,599.55 is: 488,398.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,519.35 : 1,499,277.80 = 325,599.55 : x
  2. Step 2: Convert to fraction form
    999,519.35/1,499,277.80 = 325,599.55/x
  3. Step 3: Cross multiply
    999,519.35x = 1,499,277.80 × 325,599.55
  4. Step 4: Simplify right side
    999,519.35x = 488,164,174,070.79
  5. Step 5: Solve for x
    x = 488,164,174,070.79/999,519.35
  6. Step 6: Final answer
    x = 488,398.93

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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.