Home / 547,916.40-821,874.60-415,056.15

Finding the Fourth Proportional to 547,916.40, 821,874.60 and 415,056.15

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Solution

The fourth proportional to 547,916.40, 821,874.60 and 415,056.15 is: 622,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,916.40 : 821,874.60 = 415,056.15 : x
  2. Step 2: Convert to fraction form
    547,916.40/821,874.60 = 415,056.15/x
  3. Step 3: Cross multiply
    547,916.40x = 821,874.60 × 415,056.15
  4. Step 4: Simplify right side
    547,916.40x = 341,124,107,258.79
  5. Step 5: Solve for x
    x = 341,124,107,258.79/547,916.40
  6. Step 6: Final answer
    x = 622,584.23

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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.