Home / 549,336.08-758,160.60-396,867.56

Finding the Fourth Proportional to 549,336.08, 758,160.60 and 396,867.56

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Solution

The fourth proportional to 549,336.08, 758,160.60 and 396,867.56 is: 547,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,336.08 : 758,160.60 = 396,867.56 : x
  2. Step 2: Convert to fraction form
    549,336.08/758,160.60 = 396,867.56/x
  3. Step 3: Cross multiply
    549,336.08x = 758,160.60 × 396,867.56
  4. Step 4: Simplify right side
    549,336.08x = 300,889,347,410.14
  5. Step 5: Solve for x
    x = 300,889,347,410.14/549,336.08
  6. Step 6: Final answer
    x = 547,732.72

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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.