Home / 514,322.94-771,110.74-214,889.16

Finding the Fourth Proportional to 514,322.94, 771,110.74 and 214,889.16

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Solution

The fourth proportional to 514,322.94, 771,110.74 and 214,889.16 is: 322,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,322.94 : 771,110.74 = 214,889.16 : x
  2. Step 2: Convert to fraction form
    514,322.94/771,110.74 = 214,889.16/x
  3. Step 3: Cross multiply
    514,322.94x = 771,110.74 × 214,889.16
  4. Step 4: Simplify right side
    514,322.94x = 165,703,339,185.58
  5. Step 5: Solve for x
    x = 165,703,339,185.58/514,322.94
  6. Step 6: Final answer
    x = 322,177.62

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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.