Home / 446,127.20-669,190.80-401,026.40

Finding the Fourth Proportional to 446,127.20, 669,190.80 and 401,026.40

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Solution

The fourth proportional to 446,127.20, 669,190.80 and 401,026.40 is: 601,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,127.20 : 669,190.80 = 401,026.40 : x
  2. Step 2: Convert to fraction form
    446,127.20/669,190.80 = 401,026.40/x
  3. Step 3: Cross multiply
    446,127.20x = 669,190.80 × 401,026.40
  4. Step 4: Simplify right side
    446,127.20x = 268,363,177,437.12
  5. Step 5: Solve for x
    x = 268,363,177,437.12/446,127.20
  6. Step 6: Final answer
    x = 601,539.60

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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.