Home / 454,103.80-681,155.70-404,240.20

Finding the Fourth Proportional to 454,103.80, 681,155.70 and 404,240.20

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Solution

The fourth proportional to 454,103.80, 681,155.70 and 404,240.20 is: 606,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,103.80 : 681,155.70 = 404,240.20 : x
  2. Step 2: Convert to fraction form
    454,103.80/681,155.70 = 404,240.20/x
  3. Step 3: Cross multiply
    454,103.80x = 681,155.70 × 404,240.20
  4. Step 4: Simplify right side
    454,103.80x = 275,350,516,399.14
  5. Step 5: Solve for x
    x = 275,350,516,399.14/454,103.80
  6. Step 6: Final answer
    x = 606,360.30

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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.