Home / 982,601.04-1,474,695.96-509,421.72

Finding the Fourth Proportional to 982,601.04, 1,474,695.96 and 509,421.72

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Solution

The fourth proportional to 982,601.04, 1,474,695.96 and 509,421.72 is: 764,544.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,601.04 : 1,474,695.96 = 509,421.72 : x
  2. Step 2: Convert to fraction form
    982,601.04/1,474,695.96 = 509,421.72/x
  3. Step 3: Cross multiply
    982,601.04x = 1,474,695.96 × 509,421.72
  4. Step 4: Simplify right side
    982,601.04x = 751,242,152,420.25
  5. Step 5: Solve for x
    x = 751,242,152,420.25/982,601.04
  6. Step 6: Final answer
    x = 764,544.43

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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.