Home / 549,939.15-759,022.46-358,620.39

Finding the Fourth Proportional to 549,939.15, 759,022.46 and 358,620.39

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Solution

The fourth proportional to 549,939.15, 759,022.46 and 358,620.39 is: 494,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,939.15 : 759,022.46 = 358,620.39 : x
  2. Step 2: Convert to fraction form
    549,939.15/759,022.46 = 358,620.39/x
  3. Step 3: Cross multiply
    549,939.15x = 759,022.46 × 358,620.39
  4. Step 4: Simplify right side
    549,939.15x = 272,200,930,623.96
  5. Step 5: Solve for x
    x = 272,200,930,623.96/549,939.15
  6. Step 6: Final answer
    x = 494,965.54

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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.