Home / 628,287.40-941,816.70-253,810.60

Finding the Fourth Proportional to 628,287.40, 941,816.70 and 253,810.60

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Solution

The fourth proportional to 628,287.40, 941,816.70 and 253,810.60 is: 380,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,287.40 : 941,816.70 = 253,810.60 : x
  2. Step 2: Convert to fraction form
    628,287.40/941,816.70 = 253,810.60/x
  3. Step 3: Cross multiply
    628,287.40x = 941,816.70 × 253,810.60
  4. Step 4: Simplify right side
    628,287.40x = 239,043,061,717.02
  5. Step 5: Solve for x
    x = 239,043,061,717.02/628,287.40
  6. Step 6: Final answer
    x = 380,467.70

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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.