Home / 787,832.11-1,182,045.95-308,402.52

Finding the Fourth Proportional to 787,832.11, 1,182,045.95 and 308,402.52

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Solution

The fourth proportional to 787,832.11, 1,182,045.95 and 308,402.52 is: 462,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,832.11 : 1,182,045.95 = 308,402.52 : x
  2. Step 2: Convert to fraction form
    787,832.11/1,182,045.95 = 308,402.52/x
  3. Step 3: Cross multiply
    787,832.11x = 1,182,045.95 × 308,402.52
  4. Step 4: Simplify right side
    787,832.11x = 364,545,949,735.79
  5. Step 5: Solve for x
    x = 364,545,949,735.79/787,832.11
  6. Step 6: Final answer
    x = 462,720.35

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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.