Home / 1,274,440.76-1,911,660.96-526,506.20

Finding the Fourth Proportional to 1,274,440.76, 1,911,660.96 and 526,506.20

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Solution

The fourth proportional to 1,274,440.76, 1,911,660.96 and 526,506.20 is: 789,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,440.76 : 1,911,660.96 = 526,506.20 : x
  2. Step 2: Convert to fraction form
    1,274,440.76/1,911,660.96 = 526,506.20/x
  3. Step 3: Cross multiply
    1,274,440.76x = 1,911,660.96 × 526,506.20
  4. Step 4: Simplify right side
    1,274,440.76x = 1,006,501,347,737.95
  5. Step 5: Solve for x
    x = 1,006,501,347,737.95/1,274,440.76
  6. Step 6: Final answer
    x = 789,759.23

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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.