Home / 1,416,672.48-1,954,951.11-772,078.85

Finding the Fourth Proportional to 1,416,672.48, 1,954,951.11 and 772,078.85

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Solution

The fourth proportional to 1,416,672.48, 1,954,951.11 and 772,078.85 is: 1,065,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,672.48 : 1,954,951.11 = 772,078.85 : x
  2. Step 2: Convert to fraction form
    1,416,672.48/1,954,951.11 = 772,078.85/x
  3. Step 3: Cross multiply
    1,416,672.48x = 1,954,951.11 × 772,078.85
  4. Step 4: Simplify right side
    1,416,672.48x = 1,509,376,404,815.02
  5. Step 5: Solve for x
    x = 1,509,376,404,815.02/1,416,672.48
  6. Step 6: Final answer
    x = 1,065,437.80

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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.