Home / 511,811.04-705,933.44-443,706.24

Finding the Fourth Proportional to 511,811.04, 705,933.44 and 443,706.24

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Solution

The fourth proportional to 511,811.04, 705,933.44 and 443,706.24 is: 611,997.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,811.04 : 705,933.44 = 443,706.24 : x
  2. Step 2: Convert to fraction form
    511,811.04/705,933.44 = 443,706.24/x
  3. Step 3: Cross multiply
    511,811.04x = 705,933.44 × 443,706.24
  4. Step 4: Simplify right side
    511,811.04x = 313,227,072,352.67
  5. Step 5: Solve for x
    x = 313,227,072,352.67/511,811.04
  6. Step 6: Final answer
    x = 611,997.49

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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.