Home / 526,900.80-727,123.05-285,183.33

Finding the Fourth Proportional to 526,900.80, 727,123.05 and 285,183.33

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Solution

The fourth proportional to 526,900.80, 727,123.05 and 285,183.33 is: 393,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,900.80 : 727,123.05 = 285,183.33 : x
  2. Step 2: Convert to fraction form
    526,900.80/727,123.05 = 285,183.33/x
  3. Step 3: Cross multiply
    526,900.80x = 727,123.05 × 285,183.33
  4. Step 4: Simplify right side
    526,900.80x = 207,363,372,718.76
  5. Step 5: Solve for x
    x = 207,363,372,718.76/526,900.80
  6. Step 6: Final answer
    x = 393,552.97

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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.