Home / 578,689.29-868,027.46-204,624.81

Finding the Fourth Proportional to 578,689.29, 868,027.46 and 204,624.81

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Solution

The fourth proportional to 578,689.29, 868,027.46 and 204,624.81 is: 306,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,689.29 : 868,027.46 = 204,624.81 : x
  2. Step 2: Convert to fraction form
    578,689.29/868,027.46 = 204,624.81/x
  3. Step 3: Cross multiply
    578,689.29x = 868,027.46 × 204,624.81
  4. Step 4: Simplify right side
    578,689.29x = 177,619,953,054.16
  5. Step 5: Solve for x
    x = 177,619,953,054.16/578,689.29
  6. Step 6: Final answer
    x = 306,934.92

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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.