Home / 958,530.19-1,322,764.27-528,828.43

Finding the Fourth Proportional to 958,530.19, 1,322,764.27 and 528,828.43

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Solution

The fourth proportional to 958,530.19, 1,322,764.27 and 528,828.43 is: 729,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,530.19 : 1,322,764.27 = 528,828.43 : x
  2. Step 2: Convert to fraction form
    958,530.19/1,322,764.27 = 528,828.43/x
  3. Step 3: Cross multiply
    958,530.19x = 1,322,764.27 × 528,828.43
  4. Step 4: Simplify right side
    958,530.19x = 699,515,352,164.20
  5. Step 5: Solve for x
    x = 699,515,352,164.20/958,530.19
  6. Step 6: Final answer
    x = 729,779.16

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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.