Home / 680,069.08-1,019,666.22-325,075.24

Finding the Fourth Proportional to 680,069.08, 1,019,666.22 and 325,075.24

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Solution

The fourth proportional to 680,069.08, 1,019,666.22 and 325,075.24 is: 487,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,069.08 : 1,019,666.22 = 325,075.24 : x
  2. Step 2: Convert to fraction form
    680,069.08/1,019,666.22 = 325,075.24/x
  3. Step 3: Cross multiply
    680,069.08x = 1,019,666.22 × 325,075.24
  4. Step 4: Simplify right side
    680,069.08x = 331,468,241,186.39
  5. Step 5: Solve for x
    x = 331,468,241,186.39/680,069.08
  6. Step 6: Final answer
    x = 487,403.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.