Home / 1,247,806.53-1,721,974.14-674,846.67

Finding the Fourth Proportional to 1,247,806.53, 1,721,974.14 and 674,846.67

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Solution

The fourth proportional to 1,247,806.53, 1,721,974.14 and 674,846.67 is: 931,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,806.53 : 1,721,974.14 = 674,846.67 : x
  2. Step 2: Convert to fraction form
    1,247,806.53/1,721,974.14 = 674,846.67/x
  3. Step 3: Cross multiply
    1,247,806.53x = 1,721,974.14 × 674,846.67
  4. Step 4: Simplify right side
    1,247,806.53x = 1,162,068,514,205.11
  5. Step 5: Solve for x
    x = 1,162,068,514,205.11/1,247,806.53
  6. Step 6: Final answer
    x = 931,289.01

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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.