Home / 514,744.54-771,853.56-215,143.36

Finding the Fourth Proportional to 514,744.54, 771,853.56 and 215,143.36

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Solution

The fourth proportional to 514,744.54, 771,853.56 and 215,143.36 is: 322,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,744.54 : 771,853.56 = 215,143.36 : x
  2. Step 2: Convert to fraction form
    514,744.54/771,853.56 = 215,143.36/x
  3. Step 3: Cross multiply
    514,744.54x = 771,853.56 × 215,143.36
  4. Step 4: Simplify right side
    514,744.54x = 166,059,168,326.36
  5. Step 5: Solve for x
    x = 166,059,168,326.36/514,744.54
  6. Step 6: Final answer
    x = 322,605.01

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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.