Home / 1,752,757.81-2,629,136.72-423,061.81

Finding the Fourth Proportional to 1,752,757.81, 2,629,136.72 and 423,061.81

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Solution

The fourth proportional to 1,752,757.81, 2,629,136.72 and 423,061.81 is: 634,592.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,757.81 : 2,629,136.72 = 423,061.81 : x
  2. Step 2: Convert to fraction form
    1,752,757.81/2,629,136.72 = 423,061.81/x
  3. Step 3: Cross multiply
    1,752,757.81x = 2,629,136.72 × 423,061.81
  4. Step 4: Simplify right side
    1,752,757.81x = 1,112,287,333,985.48
  5. Step 5: Solve for x
    x = 1,112,287,333,985.48/1,752,757.81
  6. Step 6: Final answer
    x = 634,592.71

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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.