Home / 540,849.10-811,406.49-185,868.22

Finding the Fourth Proportional to 540,849.10, 811,406.49 and 185,868.22

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Solution

The fourth proportional to 540,849.10, 811,406.49 and 185,868.22 is: 278,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,849.10 : 811,406.49 = 185,868.22 : x
  2. Step 2: Convert to fraction form
    540,849.10/811,406.49 = 185,868.22/x
  3. Step 3: Cross multiply
    540,849.10x = 811,406.49 × 185,868.22
  4. Step 4: Simplify right side
    540,849.10x = 150,814,679,992.75
  5. Step 5: Solve for x
    x = 150,814,679,992.75/540,849.10
  6. Step 6: Final answer
    x = 278,847.98

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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.