Home / 1,424,443.11-2,136,949.79-525,890.31

Finding the Fourth Proportional to 1,424,443.11, 2,136,949.79 and 525,890.31

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Solution

The fourth proportional to 1,424,443.11, 2,136,949.79 and 525,890.31 is: 788,940.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,443.11 : 2,136,949.79 = 525,890.31 : x
  2. Step 2: Convert to fraction form
    1,424,443.11/2,136,949.79 = 525,890.31/x
  3. Step 3: Cross multiply
    1,424,443.11x = 2,136,949.79 × 525,890.31
  4. Step 4: Simplify right side
    1,424,443.11x = 1,123,801,184,888.08
  5. Step 5: Solve for x
    x = 1,123,801,184,888.08/1,424,443.11
  6. Step 6: Final answer
    x = 788,940.73

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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.