Home / 549,296.80-823,945.20-216,829.60

Finding the Fourth Proportional to 549,296.80, 823,945.20 and 216,829.60

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Solution

The fourth proportional to 549,296.80, 823,945.20 and 216,829.60 is: 325,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,296.80 : 823,945.20 = 216,829.60 : x
  2. Step 2: Convert to fraction form
    549,296.80/823,945.20 = 216,829.60/x
  3. Step 3: Cross multiply
    549,296.80x = 823,945.20 × 216,829.60
  4. Step 4: Simplify right side
    549,296.80x = 178,655,708,137.92
  5. Step 5: Solve for x
    x = 178,655,708,137.92/549,296.80
  6. Step 6: Final answer
    x = 325,244.40

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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.