Home / 1,018,156.40-1,527,233.30-259,997.48

Finding the Fourth Proportional to 1,018,156.40, 1,527,233.30 and 259,997.48

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Solution

The fourth proportional to 1,018,156.40, 1,527,233.30 and 259,997.48 is: 389,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,156.40 : 1,527,233.30 = 259,997.48 : x
  2. Step 2: Convert to fraction form
    1,018,156.40/1,527,233.30 = 259,997.48/x
  3. Step 3: Cross multiply
    1,018,156.40x = 1,527,233.30 × 259,997.48
  4. Step 4: Simplify right side
    1,018,156.40x = 397,076,809,372.08
  5. Step 5: Solve for x
    x = 397,076,809,372.08/1,018,156.40
  6. Step 6: Final answer
    x = 389,995.89

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.