Home / 1,279,685.53-1,919,887.02-560,089.94

Finding the Fourth Proportional to 1,279,685.53, 1,919,887.02 and 560,089.94

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Solution

The fourth proportional to 1,279,685.53, 1,919,887.02 and 560,089.94 is: 840,291.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,685.53 : 1,919,887.02 = 560,089.94 : x
  2. Step 2: Convert to fraction form
    1,279,685.53/1,919,887.02 = 560,089.94/x
  3. Step 3: Cross multiply
    1,279,685.53x = 1,919,887.02 × 560,089.94
  4. Step 4: Simplify right side
    1,279,685.53x = 1,075,309,410,638.30
  5. Step 5: Solve for x
    x = 1,075,309,410,638.30/1,279,685.53
  6. Step 6: Final answer
    x = 840,291.92

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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.