Home / 676,629.78-933,519.18-386,032.58

Finding the Fourth Proportional to 676,629.78, 933,519.18 and 386,032.58

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Solution

The fourth proportional to 676,629.78, 933,519.18 and 386,032.58 is: 532,593.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,629.78 : 933,519.18 = 386,032.58 : x
  2. Step 2: Convert to fraction form
    676,629.78/933,519.18 = 386,032.58/x
  3. Step 3: Cross multiply
    676,629.78x = 933,519.18 × 386,032.58
  4. Step 4: Simplify right side
    676,629.78x = 360,368,817,534.88
  5. Step 5: Solve for x
    x = 360,368,817,534.88/676,629.78
  6. Step 6: Final answer
    x = 532,593.79

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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.