Home / 416,501.28-574,342.16-356,271.30

Finding the Fourth Proportional to 416,501.28, 574,342.16 and 356,271.30

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Solution

The fourth proportional to 416,501.28, 574,342.16 and 356,271.30 is: 491,286.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,501.28 : 574,342.16 = 356,271.30 : x
  2. Step 2: Convert to fraction form
    416,501.28/574,342.16 = 356,271.30/x
  3. Step 3: Cross multiply
    416,501.28x = 574,342.16 × 356,271.30
  4. Step 4: Simplify right side
    416,501.28x = 204,621,627,988.01
  5. Step 5: Solve for x
    x = 204,621,627,988.01/416,501.28
  6. Step 6: Final answer
    x = 491,286.91

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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.