Home / 404,730.29-606,989.60-120,344.24

Finding the Fourth Proportional to 404,730.29, 606,989.60 and 120,344.24

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Solution

The fourth proportional to 404,730.29, 606,989.60 and 120,344.24 is: 180,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,730.29 : 606,989.60 = 120,344.24 : x
  2. Step 2: Convert to fraction form
    404,730.29/606,989.60 = 120,344.24/x
  3. Step 3: Cross multiply
    404,730.29x = 606,989.60 × 120,344.24
  4. Step 4: Simplify right side
    404,730.29x = 73,047,703,015.66
  5. Step 5: Solve for x
    x = 73,047,703,015.66/404,730.29
  6. Step 6: Final answer
    x = 180,484.90

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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.