Home / 383,331.45-528,985.00-220,014.84

Finding the Fourth Proportional to 383,331.45, 528,985.00 and 220,014.84

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Solution

The fourth proportional to 383,331.45, 528,985.00 and 220,014.84 is: 303,613.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,331.45 : 528,985.00 = 220,014.84 : x
  2. Step 2: Convert to fraction form
    383,331.45/528,985.00 = 220,014.84/x
  3. Step 3: Cross multiply
    383,331.45x = 528,985.00 × 220,014.84
  4. Step 4: Simplify right side
    383,331.45x = 116,384,550,412.42
  5. Step 5: Solve for x
    x = 116,384,550,412.42/383,331.45
  6. Step 6: Final answer
    x = 303,613.36

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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.