Home / 1,129,684.70-1,693,992.45-656,515.10

Finding the Fourth Proportional to 1,129,684.70, 1,693,992.45 and 656,515.10

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Solution

The fourth proportional to 1,129,684.70, 1,693,992.45 and 656,515.10 is: 984,461.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,684.70 : 1,693,992.45 = 656,515.10 : x
  2. Step 2: Convert to fraction form
    1,129,684.70/1,693,992.45 = 656,515.10/x
  3. Step 3: Cross multiply
    1,129,684.70x = 1,693,992.45 × 656,515.10
  4. Step 4: Simplify right side
    1,129,684.70x = 1,112,131,622,710.99
  5. Step 5: Solve for x
    x = 1,112,131,622,710.99/1,129,684.70
  6. Step 6: Final answer
    x = 984,461.97

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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.