Home / 547,467.10-821,200.65-173,490.10

Finding the Fourth Proportional to 547,467.10, 821,200.65 and 173,490.10

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Solution

The fourth proportional to 547,467.10, 821,200.65 and 173,490.10 is: 260,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,467.10 : 821,200.65 = 173,490.10 : x
  2. Step 2: Convert to fraction form
    547,467.10/821,200.65 = 173,490.10/x
  3. Step 3: Cross multiply
    547,467.10x = 821,200.65 × 173,490.10
  4. Step 4: Simplify right side
    547,467.10x = 142,470,182,888.57
  5. Step 5: Solve for x
    x = 142,470,182,888.57/547,467.10
  6. Step 6: Final answer
    x = 260,235.15

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Similar ratio
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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.