Home / 619,635.08-855,094.11-347,702.36

Finding the Fourth Proportional to 619,635.08, 855,094.11 and 347,702.36

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Solution

The fourth proportional to 619,635.08, 855,094.11 and 347,702.36 is: 479,827.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,635.08 : 855,094.11 = 347,702.36 : x
  2. Step 2: Convert to fraction form
    619,635.08/855,094.11 = 347,702.36/x
  3. Step 3: Cross multiply
    619,635.08x = 855,094.11 × 347,702.36
  4. Step 4: Simplify right side
    619,635.08x = 297,318,235,793.63
  5. Step 5: Solve for x
    x = 297,318,235,793.63/619,635.08
  6. Step 6: Final answer
    x = 479,827.96

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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.