Home / 907,553.90-1,361,330.85-783,137.90

Finding the Fourth Proportional to 907,553.90, 1,361,330.85 and 783,137.90

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Solution

The fourth proportional to 907,553.90, 1,361,330.85 and 783,137.90 is: 1,174,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,553.90 : 1,361,330.85 = 783,137.90 : x
  2. Step 2: Convert to fraction form
    907,553.90/1,361,330.85 = 783,137.90/x
  3. Step 3: Cross multiply
    907,553.90x = 1,361,330.85 × 783,137.90
  4. Step 4: Simplify right side
    907,553.90x = 1,066,109,783,074.22
  5. Step 5: Solve for x
    x = 1,066,109,783,074.22/907,553.90
  6. Step 6: Final answer
    x = 1,174,706.85

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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.