Home / 787,603.70-1,179,677.25-651,120.95

Finding the Fourth Proportional to 787,603.70, 1,179,677.25 and 651,120.95

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Solution

The fourth proportional to 787,603.70, 1,179,677.25 and 651,120.95 is: 975,252.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,603.70 : 1,179,677.25 = 651,120.95 : x
  2. Step 2: Convert to fraction form
    787,603.70/1,179,677.25 = 651,120.95/x
  3. Step 3: Cross multiply
    787,603.70x = 1,179,677.25 × 651,120.95
  4. Step 4: Simplify right side
    787,603.70x = 768,112,574,662.58
  5. Step 5: Solve for x
    x = 768,112,574,662.58/787,603.70
  6. Step 6: Final answer
    x = 975,252.62

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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.