Home / 787,897.76-1,174,351.68-743,053.32

Finding the Fourth Proportional to 787,897.76, 1,174,351.68 and 743,053.32

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Solution

The fourth proportional to 787,897.76, 1,174,351.68 and 743,053.32 is: 1,107,511.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,897.76 : 1,174,351.68 = 743,053.32 : x
  2. Step 2: Convert to fraction form
    787,897.76/1,174,351.68 = 743,053.32/x
  3. Step 3: Cross multiply
    787,897.76x = 1,174,351.68 × 743,053.32
  4. Step 4: Simplify right side
    787,897.76x = 872,605,914,671.58
  5. Step 5: Solve for x
    x = 872,605,914,671.58/787,897.76
  6. Step 6: Final answer
    x = 1,107,511.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.