Home / 790,142.66-1,090,399.76-427,566.52

Finding the Fourth Proportional to 790,142.66, 1,090,399.76 and 427,566.52

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Solution

The fourth proportional to 790,142.66, 1,090,399.76 and 427,566.52 is: 590,043.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,142.66 : 1,090,399.76 = 427,566.52 : x
  2. Step 2: Convert to fraction form
    790,142.66/1,090,399.76 = 427,566.52/x
  3. Step 3: Cross multiply
    790,142.66x = 1,090,399.76 × 427,566.52
  4. Step 4: Simplify right side
    790,142.66x = 466,218,430,792.04
  5. Step 5: Solve for x
    x = 466,218,430,792.04/790,142.66
  6. Step 6: Final answer
    x = 590,043.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.