Home / 445,197.20-614,368.68-243,992.72

Finding the Fourth Proportional to 445,197.20, 614,368.68 and 243,992.72

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Solution

The fourth proportional to 445,197.20, 614,368.68 and 243,992.72 is: 336,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,197.20 : 614,368.68 = 243,992.72 : x
  2. Step 2: Convert to fraction form
    445,197.20/614,368.68 = 243,992.72/x
  3. Step 3: Cross multiply
    445,197.20x = 614,368.68 × 243,992.72
  4. Step 4: Simplify right side
    445,197.20x = 149,901,485,316.01
  5. Step 5: Solve for x
    x = 149,901,485,316.01/445,197.20
  6. Step 6: Final answer
    x = 336,708.06

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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.