Home / 446,128.20-669,192.30-401,027.40

Finding the Fourth Proportional to 446,128.20, 669,192.30 and 401,027.40

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Solution

The fourth proportional to 446,128.20, 669,192.30 and 401,027.40 is: 601,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,128.20 : 669,192.30 = 401,027.40 : x
  2. Step 2: Convert to fraction form
    446,128.20/669,192.30 = 401,027.40/x
  3. Step 3: Cross multiply
    446,128.20x = 669,192.30 × 401,027.40
  4. Step 4: Simplify right side
    446,128.20x = 268,364,448,169.02
  5. Step 5: Solve for x
    x = 268,364,448,169.02/446,128.20
  6. Step 6: Final answer
    x = 601,541.10

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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.