Home / 1,279,689.34-1,919,892.75-560,093.71

Finding the Fourth Proportional to 1,279,689.34, 1,919,892.75 and 560,093.71

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Solution

The fourth proportional to 1,279,689.34, 1,919,892.75 and 560,093.71 is: 840,297.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,689.34 : 1,919,892.75 = 560,093.71 : x
  2. Step 2: Convert to fraction form
    1,279,689.34/1,919,892.75 = 560,093.71/x
  3. Step 3: Cross multiply
    1,279,689.34x = 1,919,892.75 × 560,093.71
  4. Step 4: Simplify right side
    1,279,689.34x = 1,075,319,853,149.60
  5. Step 5: Solve for x
    x = 1,075,319,853,149.60/1,279,689.34
  6. Step 6: Final answer
    x = 840,297.58

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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.