Home / 526,438.36-726,423.42-296,999.25

Finding the Fourth Proportional to 526,438.36, 726,423.42 and 296,999.25

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Solution

The fourth proportional to 526,438.36, 726,423.42 and 296,999.25 is: 409,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,438.36 : 726,423.42 = 296,999.25 : x
  2. Step 2: Convert to fraction form
    526,438.36/726,423.42 = 296,999.25/x
  3. Step 3: Cross multiply
    526,438.36x = 726,423.42 × 296,999.25
  4. Step 4: Simplify right side
    526,438.36x = 215,747,210,922.44
  5. Step 5: Solve for x
    x = 215,747,210,922.44/526,438.36
  6. Step 6: Final answer
    x = 409,824.26

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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.