Home / 383,331.55-528,985.13-220,014.93

Finding the Fourth Proportional to 383,331.55, 528,985.13 and 220,014.93

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Solution

The fourth proportional to 383,331.55, 528,985.13 and 220,014.93 is: 303,613.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,331.55 : 528,985.13 = 220,014.93 : x
  2. Step 2: Convert to fraction form
    383,331.55/528,985.13 = 220,014.93/x
  3. Step 3: Cross multiply
    383,331.55x = 528,985.13 × 220,014.93
  4. Step 4: Simplify right side
    383,331.55x = 116,384,628,469.19
  5. Step 5: Solve for x
    x = 116,384,628,469.19/383,331.55
  6. Step 6: Final answer
    x = 303,613.49

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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.