Home / 571,860.36-857,541.30-192,710.42

Finding the Fourth Proportional to 571,860.36, 857,541.30 and 192,710.42

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Solution

The fourth proportional to 571,860.36, 857,541.30 and 192,710.42 is: 288,981.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,860.36 : 857,541.30 = 192,710.42 : x
  2. Step 2: Convert to fraction form
    571,860.36/857,541.30 = 192,710.42/x
  3. Step 3: Cross multiply
    571,860.36x = 857,541.30 × 192,710.42
  4. Step 4: Simplify right side
    571,860.36x = 165,257,144,090.35
  5. Step 5: Solve for x
    x = 165,257,144,090.35/571,860.36
  6. Step 6: Final answer
    x = 288,981.64

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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.