Home / 384,163.20-576,244.80-346,109.40

Finding the Fourth Proportional to 384,163.20, 576,244.80 and 346,109.40

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Solution

The fourth proportional to 384,163.20, 576,244.80 and 346,109.40 is: 519,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,163.20 : 576,244.80 = 346,109.40 : x
  2. Step 2: Convert to fraction form
    384,163.20/576,244.80 = 346,109.40/x
  3. Step 3: Cross multiply
    384,163.20x = 576,244.80 × 346,109.40
  4. Step 4: Simplify right side
    384,163.20x = 199,443,741,981.12
  5. Step 5: Solve for x
    x = 199,443,741,981.12/384,163.20
  6. Step 6: Final answer
    x = 519,164.10

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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.