Home / 862,814.84-1,190,688.46-500,453.24

Finding the Fourth Proportional to 862,814.84, 1,190,688.46 and 500,453.24

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Solution

The fourth proportional to 862,814.84, 1,190,688.46 and 500,453.24 is: 690,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,814.84 : 1,190,688.46 = 500,453.24 : x
  2. Step 2: Convert to fraction form
    862,814.84/1,190,688.46 = 500,453.24/x
  3. Step 3: Cross multiply
    862,814.84x = 1,190,688.46 × 500,453.24
  4. Step 4: Simplify right side
    862,814.84x = 595,883,890,433.04
  5. Step 5: Solve for x
    x = 595,883,890,433.04/862,814.84
  6. Step 6: Final answer
    x = 690,627.78

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1.5x scale

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.