Home / 702,819.04-1,053,727.44-328,637.92

Finding the Fourth Proportional to 702,819.04, 1,053,727.44 and 328,637.92

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Solution

The fourth proportional to 702,819.04, 1,053,727.44 and 328,637.92 is: 492,722.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,819.04 : 1,053,727.44 = 328,637.92 : x
  2. Step 2: Convert to fraction form
    702,819.04/1,053,727.44 = 328,637.92/x
  3. Step 3: Cross multiply
    702,819.04x = 1,053,727.44 × 328,637.92
  4. Step 4: Simplify right side
    702,819.04x = 346,294,794,128.53
  5. Step 5: Solve for x
    x = 346,294,794,128.53/702,819.04
  6. Step 6: Final answer
    x = 492,722.56

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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.