Home / 549,982.26-826,236.46-388,248.21

Finding the Fourth Proportional to 549,982.26, 826,236.46 and 388,248.21

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Solution

The fourth proportional to 549,982.26, 826,236.46 and 388,248.21 is: 583,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,982.26 : 826,236.46 = 388,248.21 : x
  2. Step 2: Convert to fraction form
    549,982.26/826,236.46 = 388,248.21/x
  3. Step 3: Cross multiply
    549,982.26x = 826,236.46 × 388,248.21
  4. Step 4: Simplify right side
    549,982.26x = 320,784,825,661.12
  5. Step 5: Solve for x
    x = 320,784,825,661.12/549,982.26
  6. Step 6: Final answer
    x = 583,263.95

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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.