Home / 572,519.30-858,450.90-173,100.20

Finding the Fourth Proportional to 572,519.30, 858,450.90 and 173,100.20

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Solution

The fourth proportional to 572,519.30, 858,450.90 and 173,100.20 is: 259,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,519.30 : 858,450.90 = 173,100.20 : x
  2. Step 2: Convert to fraction form
    572,519.30/858,450.90 = 173,100.20/x
  3. Step 3: Cross multiply
    572,519.30x = 858,450.90 × 173,100.20
  4. Step 4: Simplify right side
    572,519.30x = 148,598,022,480.18
  5. Step 5: Solve for x
    x = 148,598,022,480.18/572,519.30
  6. Step 6: Final answer
    x = 259,551.11

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Half scale
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Double scale
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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.