Home / 790,374.72-1,090,716.96-427,798.48

Finding the Fourth Proportional to 790,374.72, 1,090,716.96 and 427,798.48

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Solution

The fourth proportional to 790,374.72, 1,090,716.96 and 427,798.48 is: 590,361.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,374.72 : 1,090,716.96 = 427,798.48 : x
  2. Step 2: Convert to fraction form
    790,374.72/1,090,716.96 = 427,798.48/x
  3. Step 3: Cross multiply
    790,374.72x = 1,090,716.96 × 427,798.48
  4. Step 4: Simplify right side
    790,374.72x = 466,607,057,598.22
  5. Step 5: Solve for x
    x = 466,607,057,598.22/790,374.72
  6. Step 6: Final answer
    x = 590,361.82

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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.