Home / 702,825.04-1,053,736.44-328,643.92

Finding the Fourth Proportional to 702,825.04, 1,053,736.44 and 328,643.92

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Solution

The fourth proportional to 702,825.04, 1,053,736.44 and 328,643.92 is: 492,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,825.04 : 1,053,736.44 = 328,643.92 : x
  2. Step 2: Convert to fraction form
    702,825.04/1,053,736.44 = 328,643.92/x
  3. Step 3: Cross multiply
    702,825.04x = 1,053,736.44 × 328,643.92
  4. Step 4: Simplify right side
    702,825.04x = 346,304,074,288.45
  5. Step 5: Solve for x
    x = 346,304,074,288.45/702,825.04
  6. Step 6: Final answer
    x = 492,731.55

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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.