Home / 534,286.20-801,429.30-355,535.40

Finding the Fourth Proportional to 534,286.20, 801,429.30 and 355,535.40

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Solution

The fourth proportional to 534,286.20, 801,429.30 and 355,535.40 is: 533,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,286.20 : 801,429.30 = 355,535.40 : x
  2. Step 2: Convert to fraction form
    534,286.20/801,429.30 = 355,535.40/x
  3. Step 3: Cross multiply
    534,286.20x = 801,429.30 × 355,535.40
  4. Step 4: Simplify right side
    534,286.20x = 284,936,486,747.22
  5. Step 5: Solve for x
    x = 284,936,486,747.22/534,286.20
  6. Step 6: Final answer
    x = 533,303.10

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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.