Home / 1,921,719.60-2,882,910.96-785,099.52

Finding the Fourth Proportional to 1,921,719.60, 2,882,910.96 and 785,099.52

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Solution

The fourth proportional to 1,921,719.60, 2,882,910.96 and 785,099.52 is: 1,177,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,719.60 : 2,882,910.96 = 785,099.52 : x
  2. Step 2: Convert to fraction form
    1,921,719.60/2,882,910.96 = 785,099.52/x
  3. Step 3: Cross multiply
    1,921,719.60x = 2,882,910.96 × 785,099.52
  4. Step 4: Simplify right side
    1,921,719.60x = 2,263,372,010,898.74
  5. Step 5: Solve for x
    x = 2,263,372,010,898.74/1,921,719.60
  6. Step 6: Final answer
    x = 1,177,784.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.