Home / 540,595.24-746,076.89-311,161.12

Finding the Fourth Proportional to 540,595.24, 746,076.89 and 311,161.12

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Solution

The fourth proportional to 540,595.24, 746,076.89 and 311,161.12 is: 429,434.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,595.24 : 746,076.89 = 311,161.12 : x
  2. Step 2: Convert to fraction form
    540,595.24/746,076.89 = 311,161.12/x
  3. Step 3: Cross multiply
    540,595.24x = 746,076.89 × 311,161.12
  4. Step 4: Simplify right side
    540,595.24x = 232,150,119,611.23
  5. Step 5: Solve for x
    x = 232,150,119,611.23/540,595.24
  6. Step 6: Final answer
    x = 429,434.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.