Home / 428,518.64-591,346.32-237,530.36

Finding the Fourth Proportional to 428,518.64, 591,346.32 and 237,530.36

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Solution

The fourth proportional to 428,518.64, 591,346.32 and 237,530.36 is: 327,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,518.64 : 591,346.32 = 237,530.36 : x
  2. Step 2: Convert to fraction form
    428,518.64/591,346.32 = 237,530.36/x
  3. Step 3: Cross multiply
    428,518.64x = 591,346.32 × 237,530.36
  4. Step 4: Simplify right side
    428,518.64x = 140,462,704,274.28
  5. Step 5: Solve for x
    x = 140,462,704,274.28/428,518.64
  6. Step 6: Final answer
    x = 327,786.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.