Home / 400,060.08-552,082.89-218,772.15

Finding the Fourth Proportional to 400,060.08, 552,082.89 and 218,772.15

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Solution

The fourth proportional to 400,060.08, 552,082.89 and 218,772.15 is: 301,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,060.08 : 552,082.89 = 218,772.15 : x
  2. Step 2: Convert to fraction form
    400,060.08/552,082.89 = 218,772.15/x
  3. Step 3: Cross multiply
    400,060.08x = 552,082.89 × 218,772.15
  4. Step 4: Simplify right side
    400,060.08x = 120,780,360,823.51
  5. Step 5: Solve for x
    x = 120,780,360,823.51/400,060.08
  6. Step 6: Final answer
    x = 301,905.56

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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.