Home / 534,837.25-738,075.41-319,986.37

Finding the Fourth Proportional to 534,837.25, 738,075.41 and 319,986.37

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Solution

The fourth proportional to 534,837.25, 738,075.41 and 319,986.37 is: 441,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,837.25 : 738,075.41 = 319,986.37 : x
  2. Step 2: Convert to fraction form
    534,837.25/738,075.41 = 319,986.37/x
  3. Step 3: Cross multiply
    534,837.25x = 738,075.41 × 319,986.37
  4. Step 4: Simplify right side
    534,837.25x = 236,174,071,232.16
  5. Step 5: Solve for x
    x = 236,174,071,232.16/534,837.25
  6. Step 6: Final answer
    x = 441,581.19

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1.5x scale

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.