Home / 470,724.08-705,689.28-204,283.89

Finding the Fourth Proportional to 470,724.08, 705,689.28 and 204,283.89

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Solution

The fourth proportional to 470,724.08, 705,689.28 and 204,283.89 is: 306,253.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,724.08 : 705,689.28 = 204,283.89 : x
  2. Step 2: Convert to fraction form
    470,724.08/705,689.28 = 204,283.89/x
  3. Step 3: Cross multiply
    470,724.08x = 705,689.28 × 204,283.89
  4. Step 4: Simplify right side
    470,724.08x = 144,160,951,249.70
  5. Step 5: Solve for x
    x = 144,160,951,249.70/470,724.08
  6. Step 6: Final answer
    x = 306,253.62

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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.