Home / 571,858.34-857,538.30-192,708.41

Finding the Fourth Proportional to 571,858.34, 857,538.30 and 192,708.41

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Solution

The fourth proportional to 571,858.34, 857,538.30 and 192,708.41 is: 288,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,858.34 : 857,538.30 = 192,708.41 : x
  2. Step 2: Convert to fraction form
    571,858.34/857,538.30 = 192,708.41/x
  3. Step 3: Cross multiply
    571,858.34x = 857,538.30 × 192,708.41
  4. Step 4: Simplify right side
    571,858.34x = 165,254,842,307.10
  5. Step 5: Solve for x
    x = 165,254,842,307.10/571,858.34
  6. Step 6: Final answer
    x = 288,978.63

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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.