Home / 790,188.46-1,090,460.04-427,612.31

Finding the Fourth Proportional to 790,188.46, 1,090,460.04 and 427,612.31

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Solution

The fourth proportional to 790,188.46, 1,090,460.04 and 427,612.31 is: 590,104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,188.46 : 1,090,460.04 = 427,612.31 : x
  2. Step 2: Convert to fraction form
    790,188.46/1,090,460.04 = 427,612.31/x
  3. Step 3: Cross multiply
    790,188.46x = 1,090,460.04 × 427,612.31
  4. Step 4: Simplify right side
    790,188.46x = 466,294,136,667.09
  5. Step 5: Solve for x
    x = 466,294,136,667.09/790,188.46
  6. Step 6: Final answer
    x = 590,104.97

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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.