Home / 649,291.46-896,019.96-362,811.54

Finding the Fourth Proportional to 649,291.46, 896,019.96 and 362,811.54

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Solution

The fourth proportional to 649,291.46, 896,019.96 and 362,811.54 is: 500,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,291.46 : 896,019.96 = 362,811.54 : x
  2. Step 2: Convert to fraction form
    649,291.46/896,019.96 = 362,811.54/x
  3. Step 3: Cross multiply
    649,291.46x = 896,019.96 × 362,811.54
  4. Step 4: Simplify right side
    649,291.46x = 325,086,381,558.34
  5. Step 5: Solve for x
    x = 325,086,381,558.34/649,291.46
  6. Step 6: Final answer
    x = 500,678.67

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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.