Home / 787,905.30-1,174,362.90-743,060.82

Finding the Fourth Proportional to 787,905.30, 1,174,362.90 and 743,060.82

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Solution

The fourth proportional to 787,905.30, 1,174,362.90 and 743,060.82 is: 1,107,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,905.30 : 1,174,362.90 = 743,060.82 : x
  2. Step 2: Convert to fraction form
    787,905.30/1,174,362.90 = 743,060.82/x
  3. Step 3: Cross multiply
    787,905.30x = 1,174,362.90 × 743,060.82
  4. Step 4: Simplify right side
    787,905.30x = 872,623,059,451.58
  5. Step 5: Solve for x
    x = 872,623,059,451.58/787,905.30
  6. Step 6: Final answer
    x = 1,107,522.77

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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.