Home / 570,834.27-787,777.29-316,185.48

Finding the Fourth Proportional to 570,834.27, 787,777.29 and 316,185.48

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Solution

The fourth proportional to 570,834.27, 787,777.29 and 316,185.48 is: 436,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,834.27 : 787,777.29 = 316,185.48 : x
  2. Step 2: Convert to fraction form
    570,834.27/787,777.29 = 316,185.48/x
  3. Step 3: Cross multiply
    570,834.27x = 787,777.29 × 316,185.48
  4. Step 4: Simplify right side
    570,834.27x = 249,083,740,571.75
  5. Step 5: Solve for x
    x = 249,083,740,571.75/570,834.27
  6. Step 6: Final answer
    x = 436,350.36

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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.