Home / 534,214.20-801,321.30-355,463.40

Finding the Fourth Proportional to 534,214.20, 801,321.30 and 355,463.40

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Solution

The fourth proportional to 534,214.20, 801,321.30 and 355,463.40 is: 533,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,214.20 : 801,321.30 = 355,463.40 : x
  2. Step 2: Convert to fraction form
    534,214.20/801,321.30 = 355,463.40/x
  3. Step 3: Cross multiply
    534,214.20x = 801,321.30 × 355,463.40
  4. Step 4: Simplify right side
    534,214.20x = 284,840,393,790.42
  5. Step 5: Solve for x
    x = 284,840,393,790.42/534,214.20
  6. Step 6: Final answer
    x = 533,195.10

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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.