Home / 1,279,722.43-1,919,934.32-559,933.65

Finding the Fourth Proportional to 1,279,722.43, 1,919,934.32 and 559,933.65

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Solution

The fourth proportional to 1,279,722.43, 1,919,934.32 and 559,933.65 is: 840,053.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,722.43 : 1,919,934.32 = 559,933.65 : x
  2. Step 2: Convert to fraction form
    1,279,722.43/1,919,934.32 = 559,933.65/x
  3. Step 3: Cross multiply
    1,279,722.43x = 1,919,934.32 × 559,933.65
  4. Step 4: Simplify right side
    1,279,722.43x = 1,075,035,831,557.87
  5. Step 5: Solve for x
    x = 1,075,035,831,557.87/1,279,722.43
  6. Step 6: Final answer
    x = 840,053.91

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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.