Home / 514,086.12-771,004.96-198,341.64

Finding the Fourth Proportional to 514,086.12, 771,004.96 and 198,341.64

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Solution

The fourth proportional to 514,086.12, 771,004.96 and 198,341.64 is: 297,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,086.12 : 771,004.96 = 198,341.64 : x
  2. Step 2: Convert to fraction form
    514,086.12/771,004.96 = 198,341.64/x
  3. Step 3: Cross multiply
    514,086.12x = 771,004.96 × 198,341.64
  4. Step 4: Simplify right side
    514,086.12x = 152,922,388,214.53
  5. Step 5: Solve for x
    x = 152,922,388,214.53/514,086.12
  6. Step 6: Final answer
    x = 297,464.53

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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.