Home / 366,936.20-549,748.20-310,511.60

Finding the Fourth Proportional to 366,936.20, 549,748.20 and 310,511.60

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Solution

The fourth proportional to 366,936.20, 549,748.20 and 310,511.60 is: 465,212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,936.20 : 549,748.20 = 310,511.60 : x
  2. Step 2: Convert to fraction form
    366,936.20/549,748.20 = 310,511.60/x
  3. Step 3: Cross multiply
    366,936.20x = 549,748.20 × 310,511.60
  4. Step 4: Simplify right side
    366,936.20x = 170,703,193,179.12
  5. Step 5: Solve for x
    x = 170,703,193,179.12/366,936.20
  6. Step 6: Final answer
    x = 465,212.19

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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.