Home / 1,616,893.70-2,424,926.85-479,389.91

Finding the Fourth Proportional to 1,616,893.70, 2,424,926.85 and 479,389.91

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Solution

The fourth proportional to 1,616,893.70, 2,424,926.85 and 479,389.91 is: 718,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,893.70 : 2,424,926.85 = 479,389.91 : x
  2. Step 2: Convert to fraction form
    1,616,893.70/2,424,926.85 = 479,389.91/x
  3. Step 3: Cross multiply
    1,616,893.70x = 2,424,926.85 × 479,389.91
  4. Step 4: Simplify right side
    1,616,893.70x = 1,162,485,464,378.08
  5. Step 5: Solve for x
    x = 1,162,485,464,378.08/1,616,893.70
  6. Step 6: Final answer
    x = 718,962.21

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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.