Home / 628,147.20-941,905.44-290,897.76

Finding the Fourth Proportional to 628,147.20, 941,905.44 and 290,897.76

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Solution

The fourth proportional to 628,147.20, 941,905.44 and 290,897.76 is: 436,200.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,147.20 : 941,905.44 = 290,897.76 : x
  2. Step 2: Convert to fraction form
    628,147.20/941,905.44 = 290,897.76/x
  3. Step 3: Cross multiply
    628,147.20x = 941,905.44 × 290,897.76
  4. Step 4: Simplify right side
    628,147.20x = 273,998,182,627.81
  5. Step 5: Solve for x
    x = 273,998,182,627.81/628,147.20
  6. Step 6: Final answer
    x = 436,200.60

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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.