Home / 514,744.29-771,853.19-215,143.11

Finding the Fourth Proportional to 514,744.29, 771,853.19 and 215,143.11

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Solution

The fourth proportional to 514,744.29, 771,853.19 and 215,143.11 is: 322,604.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,744.29 : 771,853.19 = 215,143.11 : x
  2. Step 2: Convert to fraction form
    514,744.29/771,853.19 = 215,143.11/x
  3. Step 3: Cross multiply
    514,744.29x = 771,853.19 × 215,143.11
  4. Step 4: Simplify right side
    514,744.29x = 166,058,894,684.31
  5. Step 5: Solve for x
    x = 166,058,894,684.31/514,744.29
  6. Step 6: Final answer
    x = 322,604.64

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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.