Home / 850,327.50-1,173,349.89-487,732.62

Finding the Fourth Proportional to 850,327.50, 1,173,349.89 and 487,732.62

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Solution

The fourth proportional to 850,327.50, 1,173,349.89 and 487,732.62 is: 673,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,327.50 : 1,173,349.89 = 487,732.62 : x
  2. Step 2: Convert to fraction form
    850,327.50/1,173,349.89 = 487,732.62/x
  3. Step 3: Cross multiply
    850,327.50x = 1,173,349.89 × 487,732.62
  4. Step 4: Simplify right side
    850,327.50x = 572,281,016,026.41
  5. Step 5: Solve for x
    x = 572,281,016,026.41/850,327.50
  6. Step 6: Final answer
    x = 673,012.48

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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.