Home / 476,384.63-657,411.39-258,593.15

Finding the Fourth Proportional to 476,384.63, 657,411.39 and 258,593.15

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Solution

The fourth proportional to 476,384.63, 657,411.39 and 258,593.15 is: 356,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,384.63 : 657,411.39 = 258,593.15 : x
  2. Step 2: Convert to fraction form
    476,384.63/657,411.39 = 258,593.15/x
  3. Step 3: Cross multiply
    476,384.63x = 657,411.39 × 258,593.15
  4. Step 4: Simplify right side
    476,384.63x = 170,002,078,898.92
  5. Step 5: Solve for x
    x = 170,002,078,898.92/476,384.63
  6. Step 6: Final answer
    x = 356,858.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.