Home / 862,592.64-1,190,382.72-500,231.64

Finding the Fourth Proportional to 862,592.64, 1,190,382.72 and 500,231.64

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Solution

The fourth proportional to 862,592.64, 1,190,382.72 and 500,231.64 is: 690,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,592.64 : 1,190,382.72 = 500,231.64 : x
  2. Step 2: Convert to fraction form
    862,592.64/1,190,382.72 = 500,231.64/x
  3. Step 3: Cross multiply
    862,592.64x = 1,190,382.72 × 500,231.64
  4. Step 4: Simplify right side
    862,592.64x = 595,467,100,253.26
  5. Step 5: Solve for x
    x = 595,467,100,253.26/862,592.64
  6. Step 6: Final answer
    x = 690,322.49

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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.