Home / 526,842.05-727,042.89-285,124.82

Finding the Fourth Proportional to 526,842.05, 727,042.89 and 285,124.82

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Solution

The fourth proportional to 526,842.05, 727,042.89 and 285,124.82 is: 393,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,842.05 : 727,042.89 = 285,124.82 : x
  2. Step 2: Convert to fraction form
    526,842.05/727,042.89 = 285,124.82/x
  3. Step 3: Cross multiply
    526,842.05x = 727,042.89 × 285,124.82
  4. Step 4: Simplify right side
    526,842.05x = 207,297,973,143.53
  5. Step 5: Solve for x
    x = 207,297,973,143.53/526,842.05
  6. Step 6: Final answer
    x = 393,472.72

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1.5x scale

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.