Home / 527,297.58-727,667.04-285,574.62

Finding the Fourth Proportional to 527,297.58, 727,667.04 and 285,574.62

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Solution

The fourth proportional to 527,297.58, 727,667.04 and 285,574.62 is: 394,091.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,297.58 : 727,667.04 = 285,574.62 : x
  2. Step 2: Convert to fraction form
    527,297.58/727,667.04 = 285,574.62/x
  3. Step 3: Cross multiply
    527,297.58x = 727,667.04 × 285,574.62
  4. Step 4: Simplify right side
    527,297.58x = 207,803,237,006.65
  5. Step 5: Solve for x
    x = 207,803,237,006.65/527,297.58
  6. Step 6: Final answer
    x = 394,091.02

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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.