Home / 628,913.60-943,327.20-202,443.20

Finding the Fourth Proportional to 628,913.60, 943,327.20 and 202,443.20

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Solution

The fourth proportional to 628,913.60, 943,327.20 and 202,443.20 is: 303,650.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,913.60 : 943,327.20 = 202,443.20 : x
  2. Step 2: Convert to fraction form
    628,913.60/943,327.20 = 202,443.20/x
  3. Step 3: Cross multiply
    628,913.60x = 943,327.20 × 202,443.20
  4. Step 4: Simplify right side
    628,913.60x = 190,970,177,015.04
  5. Step 5: Solve for x
    x = 190,970,177,015.04/628,913.60
  6. Step 6: Final answer
    x = 303,650.89

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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.