Home / 579,916.53-869,160.92-276,470.55

Finding the Fourth Proportional to 579,916.53, 869,160.92 and 276,470.55

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Solution

The fourth proportional to 579,916.53, 869,160.92 and 276,470.55 is: 414,365.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,916.53 : 869,160.92 = 276,470.55 : x
  2. Step 2: Convert to fraction form
    579,916.53/869,160.92 = 276,470.55/x
  3. Step 3: Cross multiply
    579,916.53x = 869,160.92 × 276,470.55
  4. Step 4: Simplify right side
    579,916.53x = 240,297,396,208.55
  5. Step 5: Solve for x
    x = 240,297,396,208.55/579,916.53
  6. Step 6: Final answer
    x = 414,365.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.