Home / 859,699.28-1,186,395.75-472,556.97

Finding the Fourth Proportional to 859,699.28, 1,186,395.75 and 472,556.97

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Solution

The fourth proportional to 859,699.28, 1,186,395.75 and 472,556.97 is: 652,134.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,699.28 : 1,186,395.75 = 472,556.97 : x
  2. Step 2: Convert to fraction form
    859,699.28/1,186,395.75 = 472,556.97/x
  3. Step 3: Cross multiply
    859,699.28x = 1,186,395.75 × 472,556.97
  4. Step 4: Simplify right side
    859,699.28x = 560,639,580,840.88
  5. Step 5: Solve for x
    x = 560,639,580,840.88/859,699.28
  6. Step 6: Final answer
    x = 652,134.53

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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.