Home / 911,974.76-1,368,030.85-272,227.94

Finding the Fourth Proportional to 911,974.76, 1,368,030.85 and 272,227.94

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Solution

The fourth proportional to 911,974.76, 1,368,030.85 and 272,227.94 is: 408,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,974.76 : 1,368,030.85 = 272,227.94 : x
  2. Step 2: Convert to fraction form
    911,974.76/1,368,030.85 = 272,227.94/x
  3. Step 3: Cross multiply
    911,974.76x = 1,368,030.85 × 272,227.94
  4. Step 4: Simplify right side
    911,974.76x = 372,416,220,151.95
  5. Step 5: Solve for x
    x = 372,416,220,151.95/911,974.76
  6. Step 6: Final answer
    x = 408,362.42

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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.