Home / 1,189,108.52-1,783,935.26-515,302.94

Finding the Fourth Proportional to 1,189,108.52, 1,783,935.26 and 515,302.94

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Solution

The fourth proportional to 1,189,108.52, 1,783,935.26 and 515,302.94 is: 773,072.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,108.52 : 1,783,935.26 = 515,302.94 : x
  2. Step 2: Convert to fraction form
    1,189,108.52/1,783,935.26 = 515,302.94/x
  3. Step 3: Cross multiply
    1,189,108.52x = 1,783,935.26 × 515,302.94
  4. Step 4: Simplify right side
    1,189,108.52x = 919,267,084,247.66
  5. Step 5: Solve for x
    x = 919,267,084,247.66/1,189,108.52
  6. Step 6: Final answer
    x = 773,072.49

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Double scale
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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.