Home / 1,293,921.17-1,785,538.33-713,142.53

Finding the Fourth Proportional to 1,293,921.17, 1,785,538.33 and 713,142.53

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Solution

The fourth proportional to 1,293,921.17, 1,785,538.33 and 713,142.53 is: 984,096.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,921.17 : 1,785,538.33 = 713,142.53 : x
  2. Step 2: Convert to fraction form
    1,293,921.17/1,785,538.33 = 713,142.53/x
  3. Step 3: Cross multiply
    1,293,921.17x = 1,785,538.33 × 713,142.53
  4. Step 4: Simplify right side
    1,293,921.17x = 1,273,343,322,064.82
  5. Step 5: Solve for x
    x = 1,273,343,322,064.82/1,293,921.17
  6. Step 6: Final answer
    x = 984,096.52

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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.