Home / 629,929.28-943,388.54-345,191.60

Finding the Fourth Proportional to 629,929.28, 943,388.54 and 345,191.60

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Solution

The fourth proportional to 629,929.28, 943,388.54 and 345,191.60 is: 516,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,929.28 : 943,388.54 = 345,191.60 : x
  2. Step 2: Convert to fraction form
    629,929.28/943,388.54 = 345,191.60/x
  3. Step 3: Cross multiply
    629,929.28x = 943,388.54 × 345,191.60
  4. Step 4: Simplify right side
    629,929.28x = 325,649,799,544.26
  5. Step 5: Solve for x
    x = 325,649,799,544.26/629,929.28
  6. Step 6: Final answer
    x = 516,962.47

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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.