Home / 558,669.12-770,961.96-304,020.24

Finding the Fourth Proportional to 558,669.12, 770,961.96 and 304,020.24

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Solution

The fourth proportional to 558,669.12, 770,961.96 and 304,020.24 is: 419,547.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,669.12 : 770,961.96 = 304,020.24 : x
  2. Step 2: Convert to fraction form
    558,669.12/770,961.96 = 304,020.24/x
  3. Step 3: Cross multiply
    558,669.12x = 770,961.96 × 304,020.24
  4. Step 4: Simplify right side
    558,669.12x = 234,388,040,110.07
  5. Step 5: Solve for x
    x = 234,388,040,110.07/558,669.12
  6. Step 6: Final answer
    x = 419,547.16

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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.