Home / 913,361.24-1,260,393.54-505,455.56

Finding the Fourth Proportional to 913,361.24, 1,260,393.54 and 505,455.56

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Solution

The fourth proportional to 913,361.24, 1,260,393.54 and 505,455.56 is: 697,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,361.24 : 1,260,393.54 = 505,455.56 : x
  2. Step 2: Convert to fraction form
    913,361.24/1,260,393.54 = 505,455.56/x
  3. Step 3: Cross multiply
    913,361.24x = 1,260,393.54 × 505,455.56
  4. Step 4: Simplify right side
    913,361.24x = 637,072,922,581.08
  5. Step 5: Solve for x
    x = 637,072,922,581.08/913,361.24
  6. Step 6: Final answer
    x = 697,503.79

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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.