Home / 1,789,121.70-2,682,904.95-526,688.10

Finding the Fourth Proportional to 1,789,121.70, 2,682,904.95 and 526,688.10

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Solution

The fourth proportional to 1,789,121.70, 2,682,904.95 and 526,688.10 is: 789,803.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,121.70 : 2,682,904.95 = 526,688.10 : x
  2. Step 2: Convert to fraction form
    1,789,121.70/2,682,904.95 = 526,688.10/x
  3. Step 3: Cross multiply
    1,789,121.70x = 2,682,904.95 × 526,688.10
  4. Step 4: Simplify right side
    1,789,121.70x = 1,413,054,110,596.10
  5. Step 5: Solve for x
    x = 1,413,054,110,596.10/1,789,121.70
  6. Step 6: Final answer
    x = 789,803.24

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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.