Home / 1,329,089.54-1,993,537.90-519,321.74

Finding the Fourth Proportional to 1,329,089.54, 1,993,537.90 and 519,321.74

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Solution

The fourth proportional to 1,329,089.54, 1,993,537.90 and 519,321.74 is: 778,944.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,089.54 : 1,993,537.90 = 519,321.74 : x
  2. Step 2: Convert to fraction form
    1,329,089.54/1,993,537.90 = 519,321.74/x
  3. Step 3: Cross multiply
    1,329,089.54x = 1,993,537.90 × 519,321.74
  4. Step 4: Simplify right side
    1,329,089.54x = 1,035,287,570,983.95
  5. Step 5: Solve for x
    x = 1,035,287,570,983.95/1,329,089.54
  6. Step 6: Final answer
    x = 778,944.94

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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.