Home / 1,265,130.82-1,745,905.73-692,183.28

Finding the Fourth Proportional to 1,265,130.82, 1,745,905.73 and 692,183.28

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Solution

The fourth proportional to 1,265,130.82, 1,745,905.73 and 692,183.28 is: 955,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,130.82 : 1,745,905.73 = 692,183.28 : x
  2. Step 2: Convert to fraction form
    1,265,130.82/1,745,905.73 = 692,183.28/x
  3. Step 3: Cross multiply
    1,265,130.82x = 1,745,905.73 × 692,183.28
  4. Step 4: Simplify right side
    1,265,130.82x = 1,208,486,754,762.19
  5. Step 5: Solve for x
    x = 1,208,486,754,762.19/1,265,130.82
  6. Step 6: Final answer
    x = 955,226.71

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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.