Home / 958,530.69-1,322,764.97-528,828.93

Finding the Fourth Proportional to 958,530.69, 1,322,764.97 and 528,828.93

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Solution

The fourth proportional to 958,530.69, 1,322,764.97 and 528,828.93 is: 729,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,530.69 : 1,322,764.97 = 528,828.93 : x
  2. Step 2: Convert to fraction form
    958,530.69/1,322,764.97 = 528,828.93/x
  3. Step 3: Cross multiply
    958,530.69x = 1,322,764.97 × 528,828.93
  4. Step 4: Simplify right side
    958,530.69x = 699,516,381,082.44
  5. Step 5: Solve for x
    x = 699,516,381,082.44/958,530.69
  6. Step 6: Final answer
    x = 729,779.85

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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.