Home / 957,589.30-1,321,482.21-527,884.80

Finding the Fourth Proportional to 957,589.30, 1,321,482.21 and 527,884.80

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Solution

The fourth proportional to 957,589.30, 1,321,482.21 and 527,884.80 is: 728,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,589.30 : 1,321,482.21 = 527,884.80 : x
  2. Step 2: Convert to fraction form
    957,589.30/1,321,482.21 = 527,884.80/x
  3. Step 3: Cross multiply
    957,589.30x = 1,321,482.21 × 527,884.80
  4. Step 4: Simplify right side
    957,589.30x = 697,590,372,129.41
  5. Step 5: Solve for x
    x = 697,590,372,129.41/957,589.30
  6. Step 6: Final answer
    x = 728,485.97

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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.