Home / 571,005.29-787,630.57-367,321.48

Finding the Fourth Proportional to 571,005.29, 787,630.57 and 367,321.48

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Solution

The fourth proportional to 571,005.29, 787,630.57 and 367,321.48 is: 506,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,005.29 : 787,630.57 = 367,321.48 : x
  2. Step 2: Convert to fraction form
    571,005.29/787,630.57 = 367,321.48/x
  3. Step 3: Cross multiply
    571,005.29x = 787,630.57 × 367,321.48
  4. Step 4: Simplify right side
    571,005.29x = 289,313,623,778.26
  5. Step 5: Solve for x
    x = 289,313,623,778.26/571,005.29
  6. Step 6: Final answer
    x = 506,674.15

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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.