Home / 1,190,857.63-1,786,283.71-516,851.57

Finding the Fourth Proportional to 1,190,857.63, 1,786,283.71 and 516,851.57

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Solution

The fourth proportional to 1,190,857.63, 1,786,283.71 and 516,851.57 is: 775,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,857.63 : 1,786,283.71 = 516,851.57 : x
  2. Step 2: Convert to fraction form
    1,190,857.63/1,786,283.71 = 516,851.57/x
  3. Step 3: Cross multiply
    1,190,857.63x = 1,786,283.71 × 516,851.57
  4. Step 4: Simplify right side
    1,190,857.63x = 923,243,529,755.38
  5. Step 5: Solve for x
    x = 923,243,529,755.38/1,190,857.63
  6. Step 6: Final answer
    x = 775,276.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.