Home / 346,509.20-520,091.85-296,645.60

Finding the Fourth Proportional to 346,509.20, 520,091.85 and 296,645.60

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Solution

The fourth proportional to 346,509.20, 520,091.85 and 296,645.60 is: 445,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,509.20 : 520,091.85 = 296,645.60 : x
  2. Step 2: Convert to fraction form
    346,509.20/520,091.85 = 296,645.60/x
  3. Step 3: Cross multiply
    346,509.20x = 520,091.85 × 296,645.60
  4. Step 4: Simplify right side
    346,509.20x = 154,282,958,898.36
  5. Step 5: Solve for x
    x = 154,282,958,898.36/346,509.20
  6. Step 6: Final answer
    x = 445,249.24

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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.