Home / 514,679.04-772,022.88-199,172.16

Finding the Fourth Proportional to 514,679.04, 772,022.88 and 199,172.16

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Solution

The fourth proportional to 514,679.04, 772,022.88 and 199,172.16 is: 298,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,679.04 : 772,022.88 = 199,172.16 : x
  2. Step 2: Convert to fraction form
    514,679.04/772,022.88 = 199,172.16/x
  3. Step 3: Cross multiply
    514,679.04x = 772,022.88 × 199,172.16
  4. Step 4: Simplify right side
    514,679.04x = 153,765,464,579.02
  5. Step 5: Solve for x
    x = 153,765,464,579.02/514,679.04
  6. Step 6: Final answer
    x = 298,759.91

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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.