Home / 923,422.04-1,385,571.40-639,549.44

Finding the Fourth Proportional to 923,422.04, 1,385,571.40 and 639,549.44

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Solution

The fourth proportional to 923,422.04, 1,385,571.40 and 639,549.44 is: 959,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,422.04 : 1,385,571.40 = 639,549.44 : x
  2. Step 2: Convert to fraction form
    923,422.04/1,385,571.40 = 639,549.44/x
  3. Step 3: Cross multiply
    923,422.04x = 1,385,571.40 × 639,549.44
  4. Step 4: Simplify right side
    923,422.04x = 886,141,412,950.02
  5. Step 5: Solve for x
    x = 886,141,412,950.02/923,422.04
  6. Step 6: Final answer
    x = 959,627.75

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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.