Home / 1,281,194.96-1,923,122.17-742,503.73

Finding the Fourth Proportional to 1,281,194.96, 1,923,122.17 and 742,503.73

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Solution

The fourth proportional to 1,281,194.96, 1,923,122.17 and 742,503.73 is: 1,114,526.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,194.96 : 1,923,122.17 = 742,503.73 : x
  2. Step 2: Convert to fraction form
    1,281,194.96/1,923,122.17 = 742,503.73/x
  3. Step 3: Cross multiply
    1,281,194.96x = 1,923,122.17 × 742,503.73
  4. Step 4: Simplify right side
    1,281,194.96x = 1,427,925,377,806.63
  5. Step 5: Solve for x
    x = 1,427,925,377,806.63/1,281,194.96
  6. Step 6: Final answer
    x = 1,114,526.23

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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.