Home / 1,186,718.64-1,637,815.32-670,494.30

Finding the Fourth Proportional to 1,186,718.64, 1,637,815.32 and 670,494.30

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Solution

The fourth proportional to 1,186,718.64, 1,637,815.32 and 670,494.30 is: 925,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,718.64 : 1,637,815.32 = 670,494.30 : x
  2. Step 2: Convert to fraction form
    1,186,718.64/1,637,815.32 = 670,494.30/x
  3. Step 3: Cross multiply
    1,186,718.64x = 1,637,815.32 × 670,494.30
  4. Step 4: Simplify right side
    1,186,718.64x = 1,098,145,836,512.68
  5. Step 5: Solve for x
    x = 1,098,145,836,512.68/1,186,718.64
  6. Step 6: Final answer
    x = 925,363.27

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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.