Home / 812,083.55-1,120,650.03-467,920.17

Finding the Fourth Proportional to 812,083.55, 1,120,650.03 and 467,920.17

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Solution

The fourth proportional to 812,083.55, 1,120,650.03 and 467,920.17 is: 645,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,083.55 : 1,120,650.03 = 467,920.17 : x
  2. Step 2: Convert to fraction form
    812,083.55/1,120,650.03 = 467,920.17/x
  3. Step 3: Cross multiply
    812,083.55x = 1,120,650.03 × 467,920.17
  4. Step 4: Simplify right side
    812,083.55x = 524,374,752,548.11
  5. Step 5: Solve for x
    x = 524,374,752,548.11/812,083.55
  6. Step 6: Final answer
    x = 645,715.28

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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.