Home / 746,380.45-1,117,929.64-616,828.47

Finding the Fourth Proportional to 746,380.45, 1,117,929.64 and 616,828.47

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Solution

The fourth proportional to 746,380.45, 1,117,929.64 and 616,828.47 is: 923,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,380.45 : 1,117,929.64 = 616,828.47 : x
  2. Step 2: Convert to fraction form
    746,380.45/1,117,929.64 = 616,828.47/x
  3. Step 3: Cross multiply
    746,380.45x = 1,117,929.64 × 616,828.47
  4. Step 4: Simplify right side
    746,380.45x = 689,570,829,408.85
  5. Step 5: Solve for x
    x = 689,570,829,408.85/746,380.45
  6. Step 6: Final answer
    x = 923,886.51

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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.