Home / 806,099.40-1,112,416.92-443,515.68

Finding the Fourth Proportional to 806,099.40, 1,112,416.92 and 443,515.68

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Solution

The fourth proportional to 806,099.40, 1,112,416.92 and 443,515.68 is: 612,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,099.40 : 1,112,416.92 = 443,515.68 : x
  2. Step 2: Convert to fraction form
    806,099.40/1,112,416.92 = 443,515.68/x
  3. Step 3: Cross multiply
    806,099.40x = 1,112,416.92 × 443,515.68
  4. Step 4: Simplify right side
    806,099.40x = 493,374,346,717.31
  5. Step 5: Solve for x
    x = 493,374,346,717.31/806,099.40
  6. Step 6: Final answer
    x = 612,051.50

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1.5x scale

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.