Home / 999,528.30-1,499,291.28-325,608.53

Finding the Fourth Proportional to 999,528.30, 1,499,291.28 and 325,608.53

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Solution

The fourth proportional to 999,528.30, 1,499,291.28 and 325,608.53 is: 488,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,528.30 : 1,499,291.28 = 325,608.53 : x
  2. Step 2: Convert to fraction form
    999,528.30/1,499,291.28 = 325,608.53/x
  3. Step 3: Cross multiply
    999,528.30x = 1,499,291.28 × 325,608.53
  4. Step 4: Simplify right side
    999,528.30x = 488,182,022,226.16
  5. Step 5: Solve for x
    x = 488,182,022,226.16/999,528.30
  6. Step 6: Final answer
    x = 488,412.41

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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.