Home / 446,023.80-669,035.70-313,054.20

Finding the Fourth Proportional to 446,023.80, 669,035.70 and 313,054.20

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Solution

The fourth proportional to 446,023.80, 669,035.70 and 313,054.20 is: 469,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,023.80 : 669,035.70 = 313,054.20 : x
  2. Step 2: Convert to fraction form
    446,023.80/669,035.70 = 313,054.20/x
  3. Step 3: Cross multiply
    446,023.80x = 669,035.70 × 313,054.20
  4. Step 4: Simplify right side
    446,023.80x = 209,444,435,834.94
  5. Step 5: Solve for x
    x = 209,444,435,834.94/446,023.80
  6. Step 6: Final answer
    x = 469,581.30

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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.