Home / 540,981.25-811,514.09-181,153.46

Finding the Fourth Proportional to 540,981.25, 811,514.09 and 181,153.46

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Solution

The fourth proportional to 540,981.25, 811,514.09 and 181,153.46 is: 271,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,981.25 : 811,514.09 = 181,153.46 : x
  2. Step 2: Convert to fraction form
    540,981.25/811,514.09 = 181,153.46/x
  3. Step 3: Cross multiply
    540,981.25x = 811,514.09 × 181,153.46
  4. Step 4: Simplify right side
    540,981.25x = 147,008,587,723.92
  5. Step 5: Solve for x
    x = 147,008,587,723.92/540,981.25
  6. Step 6: Final answer
    x = 271,744.33

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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.