Home / 409,834.98-565,574.70-228,558.36

Finding the Fourth Proportional to 409,834.98, 565,574.70 and 228,558.36

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Solution

The fourth proportional to 409,834.98, 565,574.70 and 228,558.36 is: 315,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,834.98 : 565,574.70 = 228,558.36 : x
  2. Step 2: Convert to fraction form
    409,834.98/565,574.70 = 228,558.36/x
  3. Step 3: Cross multiply
    409,834.98x = 565,574.70 × 228,558.36
  4. Step 4: Simplify right side
    409,834.98x = 129,266,825,889.49
  5. Step 5: Solve for x
    x = 129,266,825,889.49/409,834.98
  6. Step 6: Final answer
    x = 315,411.89

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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.