Home / 654,050.19-979,954.20-519,529.19

Finding the Fourth Proportional to 654,050.19, 979,954.20 and 519,529.19

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Solution

The fourth proportional to 654,050.19, 979,954.20 and 519,529.19 is: 778,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,050.19 : 979,954.20 = 519,529.19 : x
  2. Step 2: Convert to fraction form
    654,050.19/979,954.20 = 519,529.19/x
  3. Step 3: Cross multiply
    654,050.19x = 979,954.20 × 519,529.19
  4. Step 4: Simplify right side
    654,050.19x = 509,114,812,375.57
  5. Step 5: Solve for x
    x = 509,114,812,375.57/654,050.19
  6. Step 6: Final answer
    x = 778,403.27

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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.