Home / 513,161.02-769,867.03-361,653.71

Finding the Fourth Proportional to 513,161.02, 769,867.03 and 361,653.71

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Solution

The fourth proportional to 513,161.02, 769,867.03 and 361,653.71 is: 542,569.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,161.02 : 769,867.03 = 361,653.71 : x
  2. Step 2: Convert to fraction form
    513,161.02/769,867.03 = 361,653.71/x
  3. Step 3: Cross multiply
    513,161.02x = 769,867.03 × 361,653.71
  4. Step 4: Simplify right side
    513,161.02x = 278,425,267,606.18
  5. Step 5: Solve for x
    x = 278,425,267,606.18/513,161.02
  6. Step 6: Final answer
    x = 542,569.02

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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.