Home / 380,145.17-524,596.33-205,711.55

Finding the Fourth Proportional to 380,145.17, 524,596.33 and 205,711.55

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Solution

The fourth proportional to 380,145.17, 524,596.33 and 205,711.55 is: 283,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,145.17 : 524,596.33 = 205,711.55 : x
  2. Step 2: Convert to fraction form
    380,145.17/524,596.33 = 205,711.55/x
  3. Step 3: Cross multiply
    380,145.17x = 524,596.33 × 205,711.55
  4. Step 4: Simplify right side
    380,145.17x = 107,915,523,770.01
  5. Step 5: Solve for x
    x = 107,915,523,770.01/380,145.17
  6. Step 6: Final answer
    x = 283,879.77

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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.