Home / 1,180,475.88-1,628,853.57-664,158.12

Finding the Fourth Proportional to 1,180,475.88, 1,628,853.57 and 664,158.12

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Solution

The fourth proportional to 1,180,475.88, 1,628,853.57 and 664,158.12 is: 916,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,475.88 : 1,628,853.57 = 664,158.12 : x
  2. Step 2: Convert to fraction form
    1,180,475.88/1,628,853.57 = 664,158.12/x
  3. Step 3: Cross multiply
    1,180,475.88x = 1,628,853.57 × 664,158.12
  4. Step 4: Simplify right side
    1,180,475.88x = 1,081,816,324,806.49
  5. Step 5: Solve for x
    x = 1,081,816,324,806.49/1,180,475.88
  6. Step 6: Final answer
    x = 916,423.91

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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.