Home / 755,828.55-1,043,044.45-411,665.82

Finding the Fourth Proportional to 755,828.55, 1,043,044.45 and 411,665.82

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Solution

The fourth proportional to 755,828.55, 1,043,044.45 and 411,665.82 is: 568,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,828.55 : 1,043,044.45 = 411,665.82 : x
  2. Step 2: Convert to fraction form
    755,828.55/1,043,044.45 = 411,665.82/x
  3. Step 3: Cross multiply
    755,828.55x = 1,043,044.45 × 411,665.82
  4. Step 4: Simplify right side
    755,828.55x = 429,385,748,805.70
  5. Step 5: Solve for x
    x = 429,385,748,805.70/755,828.55
  6. Step 6: Final answer
    x = 568,099.40

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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.