Home / 411,316.08-616,725.03-268,989.57

Finding the Fourth Proportional to 411,316.08, 616,725.03 and 268,989.57

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Solution

The fourth proportional to 411,316.08, 616,725.03 and 268,989.57 is: 403,321.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,316.08 : 616,725.03 = 268,989.57 : x
  2. Step 2: Convert to fraction form
    411,316.08/616,725.03 = 268,989.57/x
  3. Step 3: Cross multiply
    411,316.08x = 616,725.03 × 268,989.57
  4. Step 4: Simplify right side
    411,316.08x = 165,892,600,627.94
  5. Step 5: Solve for x
    x = 165,892,600,627.94/411,316.08
  6. Step 6: Final answer
    x = 403,321.46

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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.