Home / 1,209,916.62-1,814,736.69-323,521.74

Finding the Fourth Proportional to 1,209,916.62, 1,814,736.69 and 323,521.74

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Solution

The fourth proportional to 1,209,916.62, 1,814,736.69 and 323,521.74 is: 485,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,916.62 : 1,814,736.69 = 323,521.74 : x
  2. Step 2: Convert to fraction form
    1,209,916.62/1,814,736.69 = 323,521.74/x
  3. Step 3: Cross multiply
    1,209,916.62x = 1,814,736.69 × 323,521.74
  4. Step 4: Simplify right side
    1,209,916.62x = 587,106,771,590.64
  5. Step 5: Solve for x
    x = 587,106,771,590.64/1,209,916.62
  6. Step 6: Final answer
    x = 485,245.65

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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.