Home / 442,917.40-664,376.10-123,068.65

Finding the Fourth Proportional to 442,917.40, 664,376.10 and 123,068.65

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Solution

The fourth proportional to 442,917.40, 664,376.10 and 123,068.65 is: 184,602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,917.40 : 664,376.10 = 123,068.65 : x
  2. Step 2: Convert to fraction form
    442,917.40/664,376.10 = 123,068.65/x
  3. Step 3: Cross multiply
    442,917.40x = 664,376.10 × 123,068.65
  4. Step 4: Simplify right side
    442,917.40x = 81,763,869,719.27
  5. Step 5: Solve for x
    x = 81,763,869,719.27/442,917.40
  6. Step 6: Final answer
    x = 184,602.98

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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.