Home / 574,739.02-793,139.88-320,090.20

Finding the Fourth Proportional to 574,739.02, 793,139.88 and 320,090.20

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Solution

The fourth proportional to 574,739.02, 793,139.88 and 320,090.20 is: 441,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,739.02 : 793,139.88 = 320,090.20 : x
  2. Step 2: Convert to fraction form
    574,739.02/793,139.88 = 320,090.20/x
  3. Step 3: Cross multiply
    574,739.02x = 793,139.88 × 320,090.20
  4. Step 4: Simplify right side
    574,739.02x = 253,876,302,817.18
  5. Step 5: Solve for x
    x = 253,876,302,817.18/574,739.02
  6. Step 6: Final answer
    x = 441,724.49

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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.