Home / 446,130.20-669,195.30-401,029.40

Finding the Fourth Proportional to 446,130.20, 669,195.30 and 401,029.40

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Solution

The fourth proportional to 446,130.20, 669,195.30 and 401,029.40 is: 601,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,130.20 : 669,195.30 = 401,029.40 : x
  2. Step 2: Convert to fraction form
    446,130.20/669,195.30 = 401,029.40/x
  3. Step 3: Cross multiply
    446,130.20x = 669,195.30 × 401,029.40
  4. Step 4: Simplify right side
    446,130.20x = 268,366,989,641.82
  5. Step 5: Solve for x
    x = 268,366,989,641.82/446,130.20
  6. Step 6: Final answer
    x = 601,544.10

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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.