Home / 732,018.82-1,010,175.53-405,300.61

Finding the Fourth Proportional to 732,018.82, 1,010,175.53 and 405,300.61

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Solution

The fourth proportional to 732,018.82, 1,010,175.53 and 405,300.61 is: 559,309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,018.82 : 1,010,175.53 = 405,300.61 : x
  2. Step 2: Convert to fraction form
    732,018.82/1,010,175.53 = 405,300.61/x
  3. Step 3: Cross multiply
    732,018.82x = 1,010,175.53 × 405,300.61
  4. Step 4: Simplify right side
    732,018.82x = 409,424,758,892.20
  5. Step 5: Solve for x
    x = 409,424,758,892.20/732,018.82
  6. Step 6: Final answer
    x = 559,309.06

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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.