Home / 783,279.78-1,174,680.48-541,673.90

Finding the Fourth Proportional to 783,279.78, 1,174,680.48 and 541,673.90

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Solution

The fourth proportional to 783,279.78, 1,174,680.48 and 541,673.90 is: 812,345.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,279.78 : 1,174,680.48 = 541,673.90 : x
  2. Step 2: Convert to fraction form
    783,279.78/1,174,680.48 = 541,673.90/x
  3. Step 3: Cross multiply
    783,279.78x = 1,174,680.48 × 541,673.90
  4. Step 4: Simplify right side
    783,279.78x = 636,293,758,209.66
  5. Step 5: Solve for x
    x = 636,293,758,209.66/783,279.78
  6. Step 6: Final answer
    x = 812,345.44

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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.