Home / 439,217.02-657,570.39-411,316.57

Finding the Fourth Proportional to 439,217.02, 657,570.39 and 411,316.57

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Solution

The fourth proportional to 439,217.02, 657,570.39 and 411,316.57 is: 615,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,217.02 : 657,570.39 = 411,316.57 : x
  2. Step 2: Convert to fraction form
    439,217.02/657,570.39 = 411,316.57/x
  3. Step 3: Cross multiply
    439,217.02x = 657,570.39 × 411,316.57
  4. Step 4: Simplify right side
    439,217.02x = 270,469,597,348.36
  5. Step 5: Solve for x
    x = 270,469,597,348.36/439,217.02
  6. Step 6: Final answer
    x = 615,799.45

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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.