Home / 1,190,080.00-1,785,244.55-391,423.82

Finding the Fourth Proportional to 1,190,080.00, 1,785,244.55 and 391,423.82

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Solution

The fourth proportional to 1,190,080.00, 1,785,244.55 and 391,423.82 is: 587,176.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,080.00 : 1,785,244.55 = 391,423.82 : x
  2. Step 2: Convert to fraction form
    1,190,080.00/1,785,244.55 = 391,423.82/x
  3. Step 3: Cross multiply
    1,190,080.00x = 1,785,244.55 × 391,423.82
  4. Step 4: Simplify right side
    1,190,080.00x = 698,787,236,633.72
  5. Step 5: Solve for x
    x = 698,787,236,633.72/1,190,080.00
  6. Step 6: Final answer
    x = 587,176.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.