Home / 442,727.46-663,482.07-189,705.06

Finding the Fourth Proportional to 442,727.46, 663,482.07 and 189,705.06

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Solution

The fourth proportional to 442,727.46, 663,482.07 and 189,705.06 is: 284,296.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,727.46 : 663,482.07 = 189,705.06 : x
  2. Step 2: Convert to fraction form
    442,727.46/663,482.07 = 189,705.06/x
  3. Step 3: Cross multiply
    442,727.46x = 663,482.07 × 189,705.06
  4. Step 4: Simplify right side
    442,727.46x = 125,865,905,898.27
  5. Step 5: Solve for x
    x = 125,865,905,898.27/442,727.46
  6. Step 6: Final answer
    x = 284,296.59

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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.