Home / 343,109.70-514,664.55-323,864.10

Finding the Fourth Proportional to 343,109.70, 514,664.55 and 323,864.10

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Solution

The fourth proportional to 343,109.70, 514,664.55 and 323,864.10 is: 485,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,109.70 : 514,664.55 = 323,864.10 : x
  2. Step 2: Convert to fraction form
    343,109.70/514,664.55 = 323,864.10/x
  3. Step 3: Cross multiply
    343,109.70x = 514,664.55 × 323,864.10
  4. Step 4: Simplify right side
    343,109.70x = 166,681,371,287.66
  5. Step 5: Solve for x
    x = 166,681,371,287.66/343,109.70
  6. Step 6: Final answer
    x = 485,796.15

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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.