Home / 1,112,650.73-1,535,654.59-653,765.21

Finding the Fourth Proportional to 1,112,650.73, 1,535,654.59 and 653,765.21

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Solution

The fourth proportional to 1,112,650.73, 1,535,654.59 and 653,765.21 is: 902,311.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,650.73 : 1,535,654.59 = 653,765.21 : x
  2. Step 2: Convert to fraction form
    1,112,650.73/1,535,654.59 = 653,765.21/x
  3. Step 3: Cross multiply
    1,112,650.73x = 1,535,654.59 × 653,765.21
  4. Step 4: Simplify right side
    1,112,650.73x = 1,003,957,545,518.81
  5. Step 5: Solve for x
    x = 1,003,957,545,518.81/1,112,650.73
  6. Step 6: Final answer
    x = 902,311.50

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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.