Home / 529,139.08-730,327.47-325,365.35

Finding the Fourth Proportional to 529,139.08, 730,327.47 and 325,365.35

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Solution

The fourth proportional to 529,139.08, 730,327.47 and 325,365.35 is: 449,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,139.08 : 730,327.47 = 325,365.35 : x
  2. Step 2: Convert to fraction form
    529,139.08/730,327.47 = 325,365.35/x
  3. Step 3: Cross multiply
    529,139.08x = 730,327.47 × 325,365.35
  4. Step 4: Simplify right side
    529,139.08x = 237,623,252,891.16
  5. Step 5: Solve for x
    x = 237,623,252,891.16/529,139.08
  6. Step 6: Final answer
    x = 449,075.23

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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.