Home / 446,039.40-669,059.10-146,566.20

Finding the Fourth Proportional to 446,039.40, 669,059.10 and 146,566.20

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Solution

The fourth proportional to 446,039.40, 669,059.10 and 146,566.20 is: 219,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,039.40 : 669,059.10 = 146,566.20 : x
  2. Step 2: Convert to fraction form
    446,039.40/669,059.10 = 146,566.20/x
  3. Step 3: Cross multiply
    446,039.40x = 669,059.10 × 146,566.20
  4. Step 4: Simplify right side
    446,039.40x = 98,061,449,862.42
  5. Step 5: Solve for x
    x = 98,061,449,862.42/446,039.40
  6. Step 6: Final answer
    x = 219,849.30

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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.