Home / 398,086.02-549,404.09-236,941.58

Finding the Fourth Proportional to 398,086.02, 549,404.09 and 236,941.58

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Solution

The fourth proportional to 398,086.02, 549,404.09 and 236,941.58 is: 327,006.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,086.02 : 549,404.09 = 236,941.58 : x
  2. Step 2: Convert to fraction form
    398,086.02/549,404.09 = 236,941.58/x
  3. Step 3: Cross multiply
    398,086.02x = 549,404.09 × 236,941.58
  4. Step 4: Simplify right side
    398,086.02x = 130,176,669,211.33
  5. Step 5: Solve for x
    x = 130,176,669,211.33/398,086.02
  6. Step 6: Final answer
    x = 327,006.38

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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.