Home / 307,619.40-461,429.10-295,809.60

Finding the Fourth Proportional to 307,619.40, 461,429.10 and 295,809.60

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Solution

The fourth proportional to 307,619.40, 461,429.10 and 295,809.60 is: 443,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,619.40 : 461,429.10 = 295,809.60 : x
  2. Step 2: Convert to fraction form
    307,619.40/461,429.10 = 295,809.60/x
  3. Step 3: Cross multiply
    307,619.40x = 461,429.10 × 295,809.60
  4. Step 4: Simplify right side
    307,619.40x = 136,495,157,499.36
  5. Step 5: Solve for x
    x = 136,495,157,499.36/307,619.40
  6. Step 6: Final answer
    x = 443,714.40

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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.