Home / 540,850.10-811,407.99-185,869.22

Finding the Fourth Proportional to 540,850.10, 811,407.99 and 185,869.22

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Solution

The fourth proportional to 540,850.10, 811,407.99 and 185,869.22 is: 278,849.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,850.10 : 811,407.99 = 185,869.22 : x
  2. Step 2: Convert to fraction form
    540,850.10/811,407.99 = 185,869.22/x
  3. Step 3: Cross multiply
    540,850.10x = 811,407.99 × 185,869.22
  4. Step 4: Simplify right side
    540,850.10x = 150,815,770,203.07
  5. Step 5: Solve for x
    x = 150,815,770,203.07/540,850.10
  6. Step 6: Final answer
    x = 278,849.48

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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.