Home / 733,918.86-1,014,806.07-639,440.46

Finding the Fourth Proportional to 733,918.86, 1,014,806.07 and 639,440.46

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Solution

The fourth proportional to 733,918.86, 1,014,806.07 and 639,440.46 is: 884,168.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,918.86 : 1,014,806.07 = 639,440.46 : x
  2. Step 2: Convert to fraction form
    733,918.86/1,014,806.07 = 639,440.46/x
  3. Step 3: Cross multiply
    733,918.86x = 1,014,806.07 × 639,440.46
  4. Step 4: Simplify right side
    733,918.86x = 648,908,060,211.59
  5. Step 5: Solve for x
    x = 648,908,060,211.59/733,918.86
  6. Step 6: Final answer
    x = 884,168.67

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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.