Home / 1,716,845.92-2,369,360.56-991,724.16

Finding the Fourth Proportional to 1,716,845.92, 2,369,360.56 and 991,724.16

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Solution

The fourth proportional to 1,716,845.92, 2,369,360.56 and 991,724.16 is: 1,368,644.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716,845.92 : 2,369,360.56 = 991,724.16 : x
  2. Step 2: Convert to fraction form
    1,716,845.92/2,369,360.56 = 991,724.16/x
  3. Step 3: Cross multiply
    1,716,845.92x = 2,369,360.56 × 991,724.16
  4. Step 4: Simplify right side
    1,716,845.92x = 2,349,752,111,103.13
  5. Step 5: Solve for x
    x = 2,349,752,111,103.13/1,716,845.92
  6. Step 6: Final answer
    x = 1,368,644.72

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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.