Home / 946,409.47-1,305,984.26-516,688.67

Finding the Fourth Proportional to 946,409.47, 1,305,984.26 and 516,688.67

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Solution

The fourth proportional to 946,409.47, 1,305,984.26 and 516,688.67 is: 712,997.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,409.47 : 1,305,984.26 = 516,688.67 : x
  2. Step 2: Convert to fraction form
    946,409.47/1,305,984.26 = 516,688.67/x
  3. Step 3: Cross multiply
    946,409.47x = 1,305,984.26 × 516,688.67
  4. Step 4: Simplify right side
    946,409.47x = 674,787,274,897.02
  5. Step 5: Solve for x
    x = 674,787,274,897.02/946,409.47
  6. Step 6: Final answer
    x = 712,997.17

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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.