Home / 923,611.20-1,385,805.60-503,188.80

Finding the Fourth Proportional to 923,611.20, 1,385,805.60 and 503,188.80

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Solution

The fourth proportional to 923,611.20, 1,385,805.60 and 503,188.80 is: 754,995.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,611.20 : 1,385,805.60 = 503,188.80 : x
  2. Step 2: Convert to fraction form
    923,611.20/1,385,805.60 = 503,188.80/x
  3. Step 3: Cross multiply
    923,611.20x = 1,385,805.60 × 503,188.80
  4. Step 4: Simplify right side
    923,611.20x = 697,321,856,897.28
  5. Step 5: Solve for x
    x = 697,321,856,897.28/923,611.20
  6. Step 6: Final answer
    x = 754,995.02

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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.