Home / 923,102.73-1,273,945.66-515,283.86

Finding the Fourth Proportional to 923,102.73, 1,273,945.66 and 515,283.86

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Solution

The fourth proportional to 923,102.73, 1,273,945.66 and 515,283.86 is: 711,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,102.73 : 1,273,945.66 = 515,283.86 : x
  2. Step 2: Convert to fraction form
    923,102.73/1,273,945.66 = 515,283.86/x
  3. Step 3: Cross multiply
    923,102.73x = 1,273,945.66 × 515,283.86
  4. Step 4: Simplify right side
    923,102.73x = 656,443,639,011.70
  5. Step 5: Solve for x
    x = 656,443,639,011.70/923,102.73
  6. Step 6: Final answer
    x = 711,127.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.