Home / 1,212,630.92-1,818,945.10-326,166.92

Finding the Fourth Proportional to 1,212,630.92, 1,818,945.10 and 326,166.92

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Solution

The fourth proportional to 1,212,630.92, 1,818,945.10 and 326,166.92 is: 489,250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,630.92 : 1,818,945.10 = 326,166.92 : x
  2. Step 2: Convert to fraction form
    1,212,630.92/1,818,945.10 = 326,166.92/x
  3. Step 3: Cross multiply
    1,212,630.92x = 1,818,945.10 × 326,166.92
  4. Step 4: Simplify right side
    1,212,630.92x = 593,279,720,916.09
  5. Step 5: Solve for x
    x = 593,279,720,916.09/1,212,630.92
  6. Step 6: Final answer
    x = 489,250.04

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Double scale
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1.5x scale

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.