Home / 959,136.39-1,323,513.81-529,388.64

Finding the Fourth Proportional to 959,136.39, 1,323,513.81 and 529,388.64

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Solution

The fourth proportional to 959,136.39, 1,323,513.81 and 529,388.64 is: 730,504.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,136.39 : 1,323,513.81 = 529,388.64 : x
  2. Step 2: Convert to fraction form
    959,136.39/1,323,513.81 = 529,388.64/x
  3. Step 3: Cross multiply
    959,136.39x = 1,323,513.81 × 529,388.64
  4. Step 4: Simplify right side
    959,136.39x = 700,653,175,897.12
  5. Step 5: Solve for x
    x = 700,653,175,897.12/959,136.39
  6. Step 6: Final answer
    x = 730,504.22

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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.