Home / 527,926.86-788,990.45-386,069.94

Finding the Fourth Proportional to 527,926.86, 788,990.45 and 386,069.94

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Solution

The fourth proportional to 527,926.86, 788,990.45 and 386,069.94 is: 576,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,926.86 : 788,990.45 = 386,069.94 : x
  2. Step 2: Convert to fraction form
    527,926.86/788,990.45 = 386,069.94/x
  3. Step 3: Cross multiply
    527,926.86x = 788,990.45 × 386,069.94
  4. Step 4: Simplify right side
    527,926.86x = 304,605,493,761.72
  5. Step 5: Solve for x
    x = 304,605,493,761.72/527,926.86
  6. Step 6: Final answer
    x = 576,984.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.