Home / 445,965.83-615,433.24-242,016.76

Finding the Fourth Proportional to 445,965.83, 615,433.24 and 242,016.76

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Solution

The fourth proportional to 445,965.83, 615,433.24 and 242,016.76 is: 333,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,965.83 : 615,433.24 = 242,016.76 : x
  2. Step 2: Convert to fraction form
    445,965.83/615,433.24 = 242,016.76/x
  3. Step 3: Cross multiply
    445,965.83x = 615,433.24 × 242,016.76
  4. Step 4: Simplify right side
    445,965.83x = 148,945,159,812.92
  5. Step 5: Solve for x
    x = 148,945,159,812.92/445,965.83
  6. Step 6: Final answer
    x = 333,983.35

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Double scale
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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.