Home / 442,211.72-609,633.86-373,954.50

Finding the Fourth Proportional to 442,211.72, 609,633.86 and 373,954.50

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Solution

The fourth proportional to 442,211.72, 609,633.86 and 373,954.50 is: 515,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,211.72 : 609,633.86 = 373,954.50 : x
  2. Step 2: Convert to fraction form
    442,211.72/609,633.86 = 373,954.50/x
  3. Step 3: Cross multiply
    442,211.72x = 609,633.86 × 373,954.50
  4. Step 4: Simplify right side
    442,211.72x = 227,975,323,429.60
  5. Step 5: Solve for x
    x = 227,975,323,429.60/442,211.72
  6. Step 6: Final answer
    x = 515,534.34

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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.