Home / 534,480.36-737,561.30-319,739.16

Finding the Fourth Proportional to 534,480.36, 737,561.30 and 319,739.16

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Solution

The fourth proportional to 534,480.36, 737,561.30 and 319,739.16 is: 441,227.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,480.36 : 737,561.30 = 319,739.16 : x
  2. Step 2: Convert to fraction form
    534,480.36/737,561.30 = 319,739.16/x
  3. Step 3: Cross multiply
    534,480.36x = 737,561.30 × 319,739.16
  4. Step 4: Simplify right side
    534,480.36x = 235,827,230,510.51
  5. Step 5: Solve for x
    x = 235,827,230,510.51/534,480.36
  6. Step 6: Final answer
    x = 441,227.12

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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.