Home / 476,134.25-657,064.91-272,189.67

Finding the Fourth Proportional to 476,134.25, 657,064.91 and 272,189.67

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Solution

The fourth proportional to 476,134.25, 657,064.91 and 272,189.67 is: 375,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,134.25 : 657,064.91 = 272,189.67 : x
  2. Step 2: Convert to fraction form
    476,134.25/657,064.91 = 272,189.67/x
  3. Step 3: Cross multiply
    476,134.25x = 657,064.91 × 272,189.67
  4. Step 4: Simplify right side
    476,134.25x = 178,846,279,237.96
  5. Step 5: Solve for x
    x = 178,846,279,237.96/476,134.25
  6. Step 6: Final answer
    x = 375,621.54

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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.