Home / 1,329,100.56-1,993,554.41-519,332.72

Finding the Fourth Proportional to 1,329,100.56, 1,993,554.41 and 519,332.72

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Solution

The fourth proportional to 1,329,100.56, 1,993,554.41 and 519,332.72 is: 778,961.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,100.56 : 1,993,554.41 = 519,332.72 : x
  2. Step 2: Convert to fraction form
    1,329,100.56/1,993,554.41 = 519,332.72/x
  3. Step 3: Cross multiply
    1,329,100.56x = 1,993,554.41 × 519,332.72
  4. Step 4: Simplify right side
    1,329,100.56x = 1,035,318,021,648.86
  5. Step 5: Solve for x
    x = 1,035,318,021,648.86/1,329,100.56
  6. Step 6: Final answer
    x = 778,961.39

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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.