Home / 790,241.47-1,090,536-427,665.22

Finding the Fourth Proportional to 790,241.47, 1,090,536 and 427,665.22

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Solution

The fourth proportional to 790,241.47, 1,090,536 and 427,665.22 is: 590,179.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,241.47 : 1,090,536 = 427,665.22 : x
  2. Step 2: Convert to fraction form
    790,241.47/1,090,536 = 427,665.22/x
  3. Step 3: Cross multiply
    790,241.47x = 1,090,536 × 427,665.22
  4. Step 4: Simplify right side
    790,241.47x = 466,384,312,905.24
  5. Step 5: Solve for x
    x = 466,384,312,905.24/790,241.47
  6. Step 6: Final answer
    x = 590,179.50

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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.