Home / 958,486.69-1,322,704.24-528,784.93

Finding the Fourth Proportional to 958,486.69, 1,322,704.24 and 528,784.93

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Solution

The fourth proportional to 958,486.69, 1,322,704.24 and 528,784.93 is: 729,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,486.69 : 1,322,704.24 = 528,784.93 : x
  2. Step 2: Convert to fraction form
    958,486.69/1,322,704.24 = 528,784.93/x
  3. Step 3: Cross multiply
    958,486.69x = 1,322,704.24 × 528,784.93
  4. Step 4: Simplify right side
    958,486.69x = 699,426,068,959.10
  5. Step 5: Solve for x
    x = 699,426,068,959.10/958,486.69
  6. Step 6: Final answer
    x = 729,719.13

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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.