Home / 997,562.56-1,376,596.56-561,969.76

Finding the Fourth Proportional to 997,562.56, 1,376,596.56 and 561,969.76

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Solution

The fourth proportional to 997,562.56, 1,376,596.56 and 561,969.76 is: 775,495.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,562.56 : 1,376,596.56 = 561,969.76 : x
  2. Step 2: Convert to fraction form
    997,562.56/1,376,596.56 = 561,969.76/x
  3. Step 3: Cross multiply
    997,562.56x = 1,376,596.56 × 561,969.76
  4. Step 4: Simplify right side
    997,562.56x = 773,605,638,440.03
  5. Step 5: Solve for x
    x = 773,605,638,440.03/997,562.56
  6. Step 6: Final answer
    x = 775,495.86

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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.