Home / 756,083.52-1,043,392.11-411,918.38

Finding the Fourth Proportional to 756,083.52, 1,043,392.11 and 411,918.38

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Solution

The fourth proportional to 756,083.52, 1,043,392.11 and 411,918.38 is: 568,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,083.52 : 1,043,392.11 = 411,918.38 : x
  2. Step 2: Convert to fraction form
    756,083.52/1,043,392.11 = 411,918.38/x
  3. Step 3: Cross multiply
    756,083.52x = 1,043,392.11 × 411,918.38
  4. Step 4: Simplify right side
    756,083.52x = 429,792,387,655.98
  5. Step 5: Solve for x
    x = 429,792,387,655.98/756,083.52
  6. Step 6: Final answer
    x = 568,445.65

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Double scale
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1.5x scale

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.