Home / 547,622.20-821,433.30-173,645.20

Finding the Fourth Proportional to 547,622.20, 821,433.30 and 173,645.20

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Solution

The fourth proportional to 547,622.20, 821,433.30 and 173,645.20 is: 260,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,622.20 : 821,433.30 = 173,645.20 : x
  2. Step 2: Convert to fraction form
    547,622.20/821,433.30 = 173,645.20/x
  3. Step 3: Cross multiply
    547,622.20x = 821,433.30 × 173,645.20
  4. Step 4: Simplify right side
    547,622.20x = 142,637,949,665.16
  5. Step 5: Solve for x
    x = 142,637,949,665.16/547,622.20
  6. Step 6: Final answer
    x = 260,467.80

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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.