Home / 559,207.56-771,715.22-304,558.54

Finding the Fourth Proportional to 559,207.56, 771,715.22 and 304,558.54

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Solution

The fourth proportional to 559,207.56, 771,715.22 and 304,558.54 is: 420,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,207.56 : 771,715.22 = 304,558.54 : x
  2. Step 2: Convert to fraction form
    559,207.56/771,715.22 = 304,558.54/x
  3. Step 3: Cross multiply
    559,207.56x = 771,715.22 × 304,558.54
  4. Step 4: Simplify right side
    559,207.56x = 235,032,460,698.98
  5. Step 5: Solve for x
    x = 235,032,460,698.98/559,207.56
  6. Step 6: Final answer
    x = 420,295.57

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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.