Home / 484,540.40-727,588.20-366,345.20

Finding the Fourth Proportional to 484,540.40, 727,588.20 and 366,345.20

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Solution

The fourth proportional to 484,540.40, 727,588.20 and 366,345.20 is: 550,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,540.40 : 727,588.20 = 366,345.20 : x
  2. Step 2: Convert to fraction form
    484,540.40/727,588.20 = 366,345.20/x
  3. Step 3: Cross multiply
    484,540.40x = 727,588.20 × 366,345.20
  4. Step 4: Simplify right side
    484,540.40x = 266,548,444,646.64
  5. Step 5: Solve for x
    x = 266,548,444,646.64/484,540.40
  6. Step 6: Final answer
    x = 550,105.72

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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.